| 单词 | atomic number 15 |
| 释义 | atomic number 15 (extremely rare) n WORD FAMILY atomic number 15 n a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms Syn|Hyper P, phosphorus chemical element, element any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter |
| 随便看 |
英语词典包含147318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。