重点讲解:
1. get to the bottom of 找到…的真正起因;查寻到…的根;
例句:She got suspicious and decided to get to the bottom of it.
她起了疑惑,便决定弄个水落石出 。
2. all of a sudden 突然地;出乎意料地;
例句:All of a sudden there was a terrific bang and a flash of smoke.
突然传来惊天动地一声响,还冒出一股烟 。
3. keep up 保持;
例句:There will be a major incentive among TV channels to keep standards up.
将会有重大举措鼓励各电视频道维持高标准 。
4. in the first place 起初;一开始;
例句:It was a shooting star that propelled me into astronomy in the first place.
最初是一颗流星促使我从事天文学 。
n. 行李