从事于
基本翻译
work on
employ oneself in
be engaged in
go in for
be concerned with
效力 [[xiào lì]]
基本翻译
potency
efficacy
virtue
render a service to
offer one's help
从事于用英语怎么说?效力，的英语！
从事于
基本翻译
work on
employ oneself in
be engaged in
go in for
be concerned with
效力 [[xiào lì]]
基本翻译
potency
efficacy
virtue
render a service to
offer one's help