echo /ˈekəu/ I. n. ［c］ (pl. echoes) 回声，回音；反响，重复别人意见的人(应声虫)：return no echo 不发出回声；arouse/evoke an echo 引起反响  ［考句］Nancy is only a sort of echo of her husband’s opinion and has no ideas of her own. 南希差不多仅是她丈夫的应声虫，她自己没有任何主见。‖II.vi.& vt. 回荡，回响；发出回响：The girl is always echoing what her mother says. 这姑娘总是附和她母亲的话。