actor的动词是： act
She acts like she owns the place .
This collar acts as a kind of gasket .
Try to act naturally ， even if you are tense .
She drifted， fearing to act really .
They thought their acting was so effective .
Such sites act as metabolic sinks .
The bush acted as a cushion to my falling .
If you act rashly ， you 'll suffer for it.
The device enables the operation of the act .
They had never yet separated in act .
