重点讲解：
1. as well as 除…之外；也；还；
例句：She began to feel angry as well as scared.
她不仅害怕而且也气愤起来。
2. for the first time 首次；第一次；
例句：For the first time there was a hint of emotion in his voice.
他的声音中第一次露出了少许感情。
3. be able to do sth. 可以…的，能够…的；
例句：He'll be able to put his experience to good use in the new job.
他能在新的工作中把他的经验派上用场了。
4. a pool of 备用数量；可用数；
例句：We have a pool of good candidates to choose from.
我们有一群候选人可以挑选。
5. be exposed to 使暴露于（险境）；使遭受（危险或不快）；
例句：This plant can't be exposed to strong sunshine.
这种植物不能暴露在强光下。
6. result in 导致；引起；造成；
例句：Failure will result in frustration.
失败会导致挫败心理。
