| 单词 | poly- | 
| 释义 | poly- pref. 1.  More than one; many; much: polyatomic. 2.  More than usual; excessive; abnormal: polydipsia. 3.  Polymer; polymeric: polyethylene. [Greek polu-, from polus, much, many; see  pelə-1 in the Appendix of Indo-European roots.] | 
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