Rub a dub dub是一个英语的童谣，意思是“擦洗、擦拭、擦洗”。 rub a dub dub这个词组通常用来形容洗澡或清洁的动作或声音。也可以用来指代一种轻松愉快的活动或状态，比如在沐浴中放松愉快的感觉. Hello, according to macmillan there is only one option and that's rub against. 1rb、2rb： rb（rub & buzz）测试是扬声器测试中用于检测机械噪声（如摩擦、松动、异响）的重要环节。 这种测试有助于发现扬声器在装配或材料上可能存在的问题。
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I mean, when we rub something against a surface. Compatible with any drycleaning methods 可用各种干洗剂干洗4. Iron on low heat 低温熨.
Iron on low heat 低温熨烫 (100oc)6.
Compatible with any drycleaning methods 可用各种干洗剂干洗4. To me against suggests something vertical wall/tree/etc.
