高背手用钢锯 high back hand saw
用手背
Use the back of the hand
以上为机器翻译结果，长、整句建议使用 人工翻译 。
当你走到一扇关着的门前时，用手背检查一下。
When you come to a closed door, check it with the back of your hand.
youdao
她抽着鼻子并用手背去擦。
She snuffled and wiped her nose on the back of her hand.
《柯林斯英汉双解大词典》
他用手背擦了擦额头。
He wiped his brow with the back of his hand.
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