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	prophet flower prophetic prophetical prophetin prophoretin Prophos prophragma prophylactic prophylactic disinfection prophylactic dose prophylactic immunization prophylactic inoculation prophylactic measures prophylactico-therapeutic institution prophylactico-therapeutic measures prophylactic repair prophylactic serum prophylactic treatment prophylactic vaccination prophylatic repair prophylaxis prophylaxis and treatment prophyll prophyritic prophyropsin

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