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单词 石经
释义 DEFINITIVE EXAMPLES 权威例句〔assay〕The ore assays low in platinum.这矿石经检验证明含铂量低。英汉大词典〔weathered〕This rock has been weathered and eroded.这块岩石经风吹日晒已被侵蚀。柯林斯高阶Metal ores are often found mixed with rock, dirt and clay and are rarely pure enough to be processed straight away.人们找到的金属矿石经常是和岩石、尘土及黏土混在一起的,很少纯净得可以直接进行加工处理。剑桥国际This ore assays high in gold. 这矿石经检验证明含金量高。译典通
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