9月30日雅思考试小作文题目(国内A类)

　　小作文范文(外教版)

　　Key Words & Expressions

　　1. reveal v.

　　to make known or show something

　　揭露

　　2. essential adj.

　　necessary or needed

　　必要的，必不可少的

　　3. at varying degrees

　　在不同的温度下

　　4. stir v.

　　to mix a liquid or other substance by moving an object such as aspoon in a circular pattern

　　(用汤匙等)搅动，搅拌

　　5. churn v.

　　to move something, especially a liquid, with great force

　　剧烈搅动(尤指液体);翻搅;使猛烈翻腾

　　6. semi-solid

　　半固体状

　　7. the boiling point

　　沸腾点

　　8. fluid-like

　　液体状

　　9. vaporize v.

　　to turn, or cause something to turn, from a solid or liquid state into gas

　　(使)汽化;(使)蒸发

　　10. byproduct

　　something that is produced as a result of making something else, or somethingunexpected that happens as a result of something else:

　　副产品

　　11.milk-based adj.

　　基于牛奶做成的