英语词汇“knock at”的读音、翻译、释义、用法及例句-智慧网

词汇	knock at
释义	knock atknock at1.■打, 捶, 敲He went upstairs and knocked at the door.他上楼敲门。Opportunity knocks at the door only once.机不可失, 时不再来。
随便看	neck scarf neck scission neck shadow neck sign neck socket neck spring neck strap neck telephone necktie necktie knitter necktie party neck torsion test neck trauma neck tube neck-verse neckverse neck vertebrae neckwear neckweed necleic acid necrectomy necremia necro- necrobacillosis necrobacillus

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