重點講解:
1. first of all 首先;
例句:First of all, let's see where we agree and disagree.
首先,我們來看看我們的共同點和不同點在什么地方 。
2. mix up 混合;
例句:Add some honey, and mix up all the ingredients.
加一些蜂蜜,混合所有的材料 。
3. prevent sb. from doing sth. 阻止;制止;阻礙;
例句:Ignorance and superstition prevent them from benefiting from modern medicine.
由于無知和迷信,他們無法得到現代醫學的好處 。
4. make sure 一定要;設法保證;
例句:Make sure the garage is well swilled out.
請務必將車庫里里外外都沖洗干凈 。
v. 預防,防止