在托福考試中,，聽力部分的詞匯量對于考生的理解和應對能力至關重要,。尤其是在科學領域，化學相關詞匯的掌握能夠幫助考生更好地理解聽力材料,。以下是一些常見的化學詞匯匯總,，希望能為正在備考的你提供幫助。

Common Chemistry Vocabulary for TOEFL Listening:

compound - a substance formed from two or more elements

hydrocarbon - a compound made of hydrogen and carbon

derivative - a substance derived from another

alchemy - the medieval forerunner of chemistry

petroleum - crude oil

petroleum products - products derived from refining crude oil

crude oil - unrefined oil

refine - to purify a substance

gasoline - fuel made from petroleum

methane - a simple hydrocarbon

solution - a homogeneous mixture

dissolve - to incorporate a solid into a liquid

solvent - a substance that dissolves a solute

solubility - the ability to dissolve

cohesive - molecules attracting each other

adhesive - molecules sticking to different substances

atom - the basic unit of matter

nucleus - the center of an atom

electron - a negatively charged particle

neutron - a neutral particle in the nucleus

proton - a positively charged particle

molecule - two or more atoms bonded together

particle - a small localized object

ion - an atom with a net charge

particle accelerator - a device to accelerate charged particles

catalysis - the acceleration of a chemical reaction

catalyst - a substance that increases the rate of a reaction

artificial - made by humans

synthetic - produced artificially

synthetic fiber - man-made fibers

polymer - a large molecule composed of repeated subunits

polymerization - the process of reacting monomer molecules

plastic - a synthetic material

dye - a substance used to color materials

cosmetics - products applied to the body for beautification

掌握這些化學詞匯將有助于你在托福聽力部分提高理解能力,，順利通過考試,。希望這份詞匯匯總能夠成為你備考路上的得力助手！

As a TOEFL test taker, mastering the vocabulary related to chemistry can significantly enhance your listening comprehension. The TOEFL listening section often includes academic lectures and discussions that cover various topics, including chemistry. Here’s a guide to help you navigate through the essential chemistry vocabulary and improve your performance on the test. ??

1. Common Chemistry Terms

Familiarizing yourself with basic chemistry terms is crucial. Here are some key terms you should know:

• Atom: The smallest unit of an element, consisting of protons, neutrons, and electrons.
• Molecule: A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.
• Compound: A substance formed when two or more different elements combine in a fixed ratio.
• Chemical Reaction: A process that leads to the transformation of one set of chemical substances to another.
• Catalyst: A substance that increases the rate of a chemical reaction without undergoing any permanent change itself.

2. Listening Practice

To effectively prepare for the listening section, it’s essential to practice with real-life examples. Here’s a sample listening text that you might encounter:

Listening Text: “In today’s lecture, we will discuss the process of photosynthesis. During photosynthesis, plants convert carbon dioxide and water into glucose and oxygen using sunlight as energy. This process is vital for life on Earth as it provides oxygen and organic compounds that serve as food for various organisms.” ??

3. Sample Questions

After listening to the text, you might be asked questions such as:

• Question: What are the main components involved in photosynthesis?
• Question: Why is photosynthesis important for life on Earth?

4. Vocabulary in Context

Understanding how chemistry vocabulary fits into context is vital. Here’s a list of phrases you might hear:

• “The periodic table organizes elements based on their atomic number.”
• “Acids and bases react to form salts and water.”
• “The law of conservation of mass states that matter cannot be created or destroyed.”

5. Tips for Effective Learning

Here are some tips to help you learn and retain chemistry vocabulary:

• Use flashcards to memorize terms and definitions. ??
• Engage with online resources like videos and podcasts that focus on chemistry topics.
• Join study groups where you can discuss and quiz each other on chemistry vocabulary.

6. Predicting Listening Topics

While you cannot predict the exact content of the TOEFL listening section, being aware of common themes can help. Topics may include:

• Environmental chemistry
• Organic chemistry
• Physical chemistry

7. Practicing with Past Papers

One of the best ways to prepare is by practicing with past TOEFL papers. This will help you become familiar with the format and types of questions asked. Pay attention to the vocabulary used in the listening sections and take notes as you listen.

By focusing on chemistry vocabulary and practicing regularly, you can improve your listening skills for the TOEFL. Remember, consistent practice and exposure to the language are key to success. Good luck! ??

對于許多托?？忌鷣碚f,，詞匯量的積累是備考過程中最為關鍵的一環(huán)。掌握足夠的詞匯不僅能夠幫助你在閱讀和聽力部分理解文章內容,，還能在寫作和口語中提升表達的準確性和豐富性,。以下是一些有效的托福詞匯備考技巧，希望能幫助到你,！??

1. 制定詞匯學習計劃

首先,，制定一個合理的詞匯學習計劃是非常重要的。你可以每天設定一個目標,，比如學習10個新單詞,。使用詞匯書或在線資源，如 "Magoosh TOEFL Vocabulary",，來獲取高頻詞匯列表,。堅持每天學習，逐步積累詞匯量,。

2. 采用聯(lián)想記憶法

聯(lián)想記憶法是一種非常有效的記憶策略,。通過將新單詞與已有知識或生活中的事物聯(lián)系起來，可以加深記憶,。例如,，單詞 "benevolent"（仁慈的）可以聯(lián)想到一個善良的朋友。你可以創(chuàng)建自己的聯(lián)想故事,，幫助記住這些單詞,。

3. 制作詞匯卡片

制作詞匯卡片是一個經典而有效的學習方式。在卡片的一面寫上單詞,，另一面寫上釋義和例句,。你可以隨時隨地拿出這些卡片進行復習,。在例句中使用單詞，可以幫助你理解它的用法,。例如：
"The benevolent man donated a large sum to the charity."

4. 多讀多聽

通過閱讀和聽力材料來擴展詞匯量是非常有效的,。選擇一些適合自己水平的英文書籍、新聞或播客,，盡量在上下文中理解新單詞,。比如，閱讀 "The New York Times" 或收聽 "TED Talks",，可以接觸到許多學術和日常用語,。

5. 參加模擬考試

參加托福模擬考試可以幫助你熟悉考試形式，并檢驗自己的詞匯掌握情況,。在做題時,，注意記錄不認識的單詞，并在考試后進行復習,。可以嘗試一些在線模擬測試平臺,，如 "ETS TOEFL Practice Online",。

6. 使用詞匯應用程序

利用技術的便利，下載一些詞匯學習應用程序,，如 "Quizlet" 或 "Anki",，可以幫助你更有效地學習和復習詞匯。這些應用通常具有互動性,，增加了學習的趣味性,。

7. 定期復習

詞匯的記憶是一個不斷重復的過程。每周抽出時間進行復習,，確保之前學過的單詞不會遺忘,。可以設置一個復習周期,，比如每周復習一次,，逐漸加大復習的間隔，幫助鞏固記憶,。

8. 創(chuàng)造使用環(huán)境

最后,，創(chuàng)造一個使用英語的環(huán)境也是非常必要的。嘗試與朋友用英語交流,，或者參與英語角活動,。通過實際使用新學的詞匯，可以增強記憶并提高語言運用能力,。

希望以上這些技巧能幫助你在托福備考中取得更好的成績,！記住,，詞匯的積累是一個長期的過程，保持耐心和恒心,，你一定能見到成果,！??

對于許多托福考生來說,，聽力部分可能是一個挑戰(zhàn),。在這個部分，除了理解對話和講座的內容外,，掌握一些常見的詞匯也是非常重要的,。為了幫助大家更好地備考，我整理了一些托福聽力中常見的詞匯及其應用,，供大家參考,。??

1. Academic Vocabulary

在托福聽力中，學術詞匯常常出現(xiàn)在教授的講座或學術討論中,。以下是一些常見的學術詞匯：

• Analyze: To examine something in detail for purposes of explanation and interpretation.
• Concept: An abstract idea or a general notion.
• Theory: A system of ideas intended to explain something.
• Research: The systematic investigation into and study of materials and sources.
• Hypothesis: A proposed explanation made on the basis of limited evidence.

2. Everyday Vocabulary

除了學術詞匯,，日常用語在對話中也頻繁出現(xiàn)。以下是一些常見的日常用語：

• Discuss: To talk about something with another person or a group.
• Suggest: To put forward for consideration.
• Agree: To have the same opinion as someone else.
• Mention: To refer to something briefly.
• Explain: To make something clear or easy to understand.

3. Contextual Understanding

在聽力考試中,，考生需要能夠根據(jù)上下文理解詞匯的意思,。例如，在一段關于“climate change”的講座中,，可能會提到以下詞匯：

• Impact: The effect or influence of one thing on another.
• Mitigate: To make less severe, serious, or painful.
• Sustainable: Capable of being maintained over the long term without harming the environment.
• Ecosystem: A biological community interacting with its environment.
• Biodiversity: The variety of life in the world or in a particular habitat or ecosystem.

4. Practice Listening

為了提高聽力水平,，建議考生多做聽力練習，尤其是針對不同主題的材料,。例如,，聽取關于“art history”的講座時，可以關注以下內容：

Listening Text: “Today we will explore the evolution of art from the Renaissance to modern day. We will analyze key movements and their impact on society.”

Question: What is the main focus of the lecture?

Reference Answer: The evolution of art from the Renaissance to modern day.

5. Vocabulary Review

定期復習和測試自己的詞匯量是非常重要的,?？梢允褂瞄W卡或在線詞匯表來幫助記憶。例如,，創(chuàng)建一個包含以下單詞的閃卡：

• Interpret
• Validate
• Facilitate
• Implement
• Correlate

通過不斷的練習和積累,，考生可以在托福聽力部分取得更好的成績。希望以上的詞匯整理對大家有所幫助,！加油吧,，未來的托福考生們,！??