“褐炭”例句

单词	褐炭
例句	DEFINITIVE EXAMPLES 权威例句〔jet〕A dense black coal that takes a high polish and is used for jewelry.黑玉，贝褐炭：一种用作宝石的很亮的深黑色碳物质美国传统

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“褐斑”例句

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单词褐灰色例句 DEFINITIVE EXAMPLES 权威例句〔fuscous〕Dark brownish-gray in color.暗褐灰......
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单词褐砂石例句 DEFINITIVE EXAMPLES 权威例句〔brownstone〕A brownish-red sandstone used a......
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单词褐色布例句 DEFINITIVE EXAMPLES 权威例句〔drab〕Cloth of a light dull brown or grayis......