| 单词 | type theory |
| 释义 | type theorynoun : the theory that chemical compounds are derived by substitution from a limited number of type compounds (as hydrogen, water, ammonia, and methane) and that developed into the modern unitary theory |
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英语词典包含469781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。