a colourless toxic gas, CH2CHCl, used in the production of polyvinyl chloride and other commercially important polymers.
a white crystalline solid, H2N(CH2)6NH2, used in the manufacture of nylon.
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。