出处:按学科分类—文体、科学、教育 外文出版社《小学生英汉汉英词典彩色版》第241页(271字)

[nk]〈动词〉,〈名词〉敲;击;打

He went upstairs and knocked at the door.他上楼去并且敲了敲门。

The hard knock made her cry重重一击把她给打哭了。

Did I hear a knock at the door?是有人敲门吗?

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