parsec
/'pɑ:sek/
📖 中文释义
- n. 秒差距(天体距离单位)
🔗 释义中的汉语词
🧩 词形变化
复数 parsecs
📘 English Definition（英文释义）
- 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