名词
中文翻译:不褪色的染色剂
同义词:
['acid-resistant stain', 'acid-proof stain']
例句:
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1.The stain on the table is from a spilled drink.
桌子上的污渍是饮料洒出来的。
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2.The stain on his shirt is from the rain.
他衬衫上的污渍是雨水造成的。
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3.The stain on the wall was caused by the chemical spill.
墙上的污渍是由化学泄漏造成的。