| 单词 | knock |
| 释义 | knockknocksknockknock2 noun [countable]1 the sound of someone or something hitting a hard surface: There was a loud knock at the door.be传来一下很响的敲门声。2the action of something hard hitting your bodyknock onHe got a knock on the head.get他头上被撞了一下。 |
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