Read Edit View history 升汞 shēnggǒng mercuric chloride Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 升汞 · shēnggǒng · mercuric chloride 2026/03/04 升汞 shēnggǒng mercuric chloride mercuric chloride (HgCl) 升汞是一种剧毒物质，曾被用作防腐剂和消毒剂。 noun created sense Mar 4, 2026, 02:25 AM