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单词 calomel
释义 calomel/ˈkæləmel/n. mercury chloride, Hg2Cl2, a white powder formerly used as a purgative 甘汞,氯化甘汞(一种白色粉末,以前曾用作泻药) [modern Latin, perhaps from Greek kalos ‘beautiful’ + melas ‘black’, perhaps because originally obtained from a black mixture of mercury and mercuric chloride]
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