Extragalactic nebula
河外星云; 河外星系
🧩 词语组成解析
a. [天](位于或来自于)银河系外的
nebula
[['nebjulə]]
n. 星云, 角膜云翳\\n[医] 薄翳; 角膜翳, 角膜云翳; 喷雾剂
🗣️ 情景例句
Generally speaking, it's quite a fair settlement.
大致上说，这样解决很恰当。
Man's best plans often miscrarry.
神机妙算，常常失算。
I'd like to invite you to dinner before you go. What about Thursday?
我想在你走之前请你吃饭。周四怎么样？