操作 /cāozuò/ angolul

operate [operated, operating, operates]▼(to operate a machine)
verb
[UK: ˈɒ.pə.reɪt] [US: ˈɑː.pə.ˌret]

operation [operations]▼(method by which a device performs its function)
noun
[UK: ˌɒ.pə.ˈreɪʃ.n̩] [US: ˌɑː.pə.ˈreɪʃ.n̩]