| 单词 | parsecs |
| 释义 | parsec /pärˈsek or sekˈ/nounThe distance (about 3.26 light years) at which half the major axis of the earth's orbit subtends an angle of one second, a unit for measurement of distances of stars ORIGIN: parallax and second |
| 随便看 |
|
英语词典包含305067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。