单词:parsec
音标:['pɑ:sek] ;
n. 秒差距(天体距离单位)
n. a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years
词型变化:名词复数形式 : parsecs
词性分布:
【近义词】
- secpar秒差距(天文距离单位之一...