重点讲解:
1. break down (使)(物质)分解;
例句:Sugar and starch are broken down in the stomach.
糖和淀粉在胃里被分解 。
2. come about 产生;发生;
例句:He could hardly realise how it had all come about.
他难以理解这一切是怎么发生的 。
3. in order to 为了;以便;目的在于;
例句:Plants must have oxygen in order to live.
为了存活植物必须有氧气 。
4. in fact (用于修正、引出相反意见或对比等)事实上,其实;
例句:At first blush the matter seems easy, in fact it is not easy.
乍看起来事情很容易,实际上并不完全如此 。
n. 联合,结合,交往,协会,社团,联想