work upon

• v. 对 ... 起作用； 影响

work upon的用法和样例：

例句

用作动词 (v.)

1. These medical herbs are said to act upon the heart.
   据说这些药草对心脏起作用。
2. The medicine has begun to do its work.
   药已开始起作用了。
3. Late nights are telling on your work.
   连续熬夜已经影响了你的工作。
4. Her illness has had a bad effect on her work.
   她的病对工作有很大的影响。