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hammer away at的音標(biāo)：hammer away at的英式發(fā)音音標(biāo)為：['h?m? ?'wei ?t]hammer away at的美式發(fā)音音標(biāo)為：['h?m? ?'we ?t]...

Millions were spent to hammer away at the sales resistance of voters.花費(fèi)數(shù)百萬(wàn)元以消除選民的反感.All his recent letters hammer away at the questions of technical innovation.他最近的一些來(lái)信都一再談到技術(shù)革新問(wèn)題....

不斷地做...