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	non-guaranteed fund nonguarded crossing non-hangup base non-hardenable nonhardened non-hardened nonhardened fabricated crossing non-hardened fabricated crossing nonhardening non-hardy plant non-harmful non-harmonic nonharmonic nonharmonic constant of tide non-hazardous nonhazardous non-hazardous area non-hazardous areas nonheading cabbage non-healing of boils non hearsay non-heat-dissipating specimen non-heating lead non-heating region non-heat-treatable

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