| 单词 | θ67516 |
| 释义 | the world > matter > chemistry > chemical bonding > [noun] > covalent bonding (14) Subcategories:— covalency (2) — number of electrons forming (2) — co-ordinate bond (3) — valence bond (1) — single bond (1) — sigma bond (2) — pi-bond (1) — hydrogen bonding (2) |
| 随便看 |
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。