volunteer和voluntary

volunteer和voluntary volunteer与voluntary的区别 到底是 Voluntary Work 还是volunteer work 英语翻译 志愿工作者 是用 volunteer workers 还是voluntary workers 做一些志愿工作翻译是do some voluntary work还是do some volunteer work 为什么志愿者工作用的是volunteer work而不是voluntary work? volunteer volunteer to do sth和volunteer for sth什么意思 voluntary muscle是什么意思 voluntary-consent是什么意思 volunteer做动词时的用法和例句 讨论volunteer