重点词汇
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一块
a piece; a block; lot; a piece of; a block of; together; in company
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油渍
grease stain; oil stain; oil spot; oil mark
a spot of grease
一块
a piece; a block; lot; a piece of; a block of; together; in company
油渍
grease stain; oil stain; oil spot; oil mark