| 单词 | cis- |
| 释义 | cis- pref. 1. On this side: cisatlantic. 2. Having a pair of identical atoms or groups on the same side of a plane that passes through two carbon atoms linked by a double bond. Used of a geometric isomer: cis-2-butene. [Latin, from cis, on this side of; see ko- in the Appendix of Indo-European roots.] |
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