noun [具体名词]清洗；清除；去污；大败
The windows will have to be given a thorough cleaning. 窗户必须得做彻底的清洁。
verb [vt. 及物动词]清洁（clean 的 ing 形式）
Her father cleaned his glasses with a paper napkin. 她父亲用一张餐巾纸擦他的眼镜。
单词造句:
The windows will have to be given a thorough cleaning. 窗户必须得做彻底的清洁。
Her father cleaned his glasses with a paper napkin. 她父亲用一张餐巾纸擦他的眼镜。