a thin luminous usu coloured cloud seen in the night sky at a height of about 80 kilometres (50 miles), esp in summer in high latitudes
[nocti- + Latin lucent-, lucens, present part. of lucēre to shine]
| 单词 | noctilucent cloud |
| 释义 | noctilucent cloud |
| 随便看 |
英语词典包含66266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。