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	landscape damage landscape design landscape development of highway landscape diversity landscape ecological construction landscape ecology landscape element landscape engineer landscape engineering landscape evaluation landscape forest landscape fractal dimension landscape fragmentation landscape function landscape garden city landscape gardener landscape gardening landscape geochemistry landscape graphic structure model landscape heterogeneity landscape in broad sense landscape index landscape in narrow sense landscape lens landscape management

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