单词 打回 例句 DEFINITIVE EXAMPLES 权威例句〔at〕I'm busy at the moment (= now) - can you call back later? 我现在很忙,你过一会儿再打回来行吗?剑桥高阶〔charge〕They charged us three times, and each time we threw them back with hand-grenades.他们向我们进...