所属栏目:英汉双解实用英语短语用法
vt.【不可分性动词短语】 1. affect; havean effect on (something)对……起作用,对……有影响:Does the drug take long to act on the nervecenter?这药要很长时间才对神经中枢起作用吗?A body at rest remains at rest unless acted upon byan external force.如果不受外力作 ......(本文共 485 字 ) [阅读本文] >>