| 单词 | polycyclic |
| 释义 | Word Frequency polycyclic(ˌpɒlɪˈsaɪklɪk) adjective 1. (of a molecule or compound) containing or having molecules that contain two or more closed rings of atoms 2. biology having two or more rings or whorls polycyclic shells a polycyclic stele noun 3. a polycyclic compound anthracene is a polycyclic |
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