| 单词 | argon |
| 释义 | Word Frequency argon(ˈɑːɡɒn) noun an extremely unreactive colourless odourless element of the rare gas series that forms almost 1 per cent (by volume) of the atmosphere. It is used in electric lights. Symbol: Ar; atomic no: 18; atomic wt: 39.948; density: 1.7837 kg/m3; freezing pt: –189.3°C; boiling pt: –185.9°C Word origin C19: from Greek, from argos idle, inactive, from a-1 + ergon work |
| 随便看 |
|
英语词典包含233703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。