act upon
按照, 对 ... 起作用
例句与用法：
His words greatly acted upon us.
他的话对我们深有影响。
An equal and opposite force exerted by a body against a force acting upon it.
反作用力物体对于加在其上的力作出的大小相同，方向相反的力量
The question comes down to whether we ought to act upon his advice.
问题归结到我们是否应该按照他的建议去做。
1. 对……起作用
These medical herbs are said to act upon the heart.
据说这些药草对心脏起作用。
2. 按照……行事
Acting upon my recommendation, he has decided to read the novel once more.
按照我的劝告, 他决定把这本小说再读一遍。