1.stick to 坚持
例句:Perhaps he should have stuck to writing.
或许他本该坚持写作 。
2.come up with 提出
例句:We weren't able to come up with any new suggestions.
我们提不出任何新建议 。
3.covered with 覆盖着
例句:The rice seedlings were covered with plastic sheeting.
秧苗上面覆盖着塑料薄膜 。
4.sit down 坐下
例句:Let's sit down and take a rest for a while.
我们坐下来,少憩片刻吧 。