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Clothes with gum rubber stains and water to wash off.
衣服沾上口香糖胶渍，用水很难洗掉。
youdao
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Methods: a rubber dam was placed over the teeth to protect the gum.
方法：将橡皮障置入口腔内保护牙龈。
youdao
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Methods: a rubber dam was placed over the teeth to protect the gum.
方法：将橡皮障置入口腔内保护牙龈。
youdao