I can only afford to watch television for an hour gonight because I have homework to do.
因为我要做家庭作业,所以今晚我只能花一小时看电视。
The most valuable find of all was the ship's log book, parts of which it was still possible to read.
打捞到的东西中最有价值的是船上的航海日志,其中有一部分仍然清晰可读。