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	cooled shroud cooled sink cooled-tube pyrometer cooled turbine cooled type valve cooled wine coolelevator cool end cooler cooler bin cooler blender cooler body cooler casing cooler cock cooler condenser cooler crystallizer cooler housing coolerman cooler nail cooler pan cooler-plated steel cooler regulator cooler shrinkage cooler sludge cooler sludge filter bay

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