重點講解：
1. major in 主修，專攻；
例句：Mr.Lee said he would major in history and he means business.
李先生說他要專攻歷史，他是決心認真干的3Zee~DQK21Kp。
2. by comparison 與…相比；與…比較而言；
例句：The criminal is unpardonably wicked, by comparison, all other criminals are virtuous.
這個罪犯真是十惡不赦，相比之下，其他罪犯還算有點良心]O@J=wWXrM&Sd。
3. cool down （使）變涼；（使）冷卻；（使）降溫；
例句：Harrod wanted to hold up somewhere till things cooled down.
哈羅德想躲一躲，等事情平息IF3U8dxZFEx。
4. be related to 涉及；關于；
例句：These two events were related to each other.
這兩個事件相互有聯系9wFug396IIuXKI9。
5. fall behind 落后；跟不上；
例句：I've fallen behind in my work since last week.
從上周起，我在工作上已經落后了fJk&z^]a9X,4p--w&。
6. compared with 與…相比；和…比起來；
例句：Our price is reasonable as compared with that in the international market.
我們的價格和國際市場的價格相比還是合理的wXaP6E_k=UlHcBjYo0L。