单词	perchloroethylene
释义	perchloroethylene /pəˌklɔːrəʊˈɛθɪliːn / noun [mass noun] A toxic colourless volatile solvent used commonly as a dry-cleaning fluid. Also called tetrachloroethylene. Chemical formula: Cl2CCCl2. The toxic solvent, perchloroethylene, is used to dry clean clothes.... The primary solvent used in dry cleaning is perchloroethylene, also known as tetrachloroethylene and commonly known as perc. One of those toxic chemicals was the dry cleaning solvent, perchlorethylene.
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