X-ray astronomy
X射线天文学[参较 x-ray]
🧩 词语组成解析
ray
[rei]
n. （热或其他能量的）射线;光束，光线;微量;伞形花序柄;
vt. 放射;照射;（思想，希望等）闪现;发光;
🗣️ 情景例句
I'm paying lots of money for you, so you'd better do well.
我为你花了那么多钱，所以你要好好干。
Praise no man till he is dead.
盖棺论定。
Now a group of enthusiasts are going to have the plane restored.
一群热心人计划修复这架飞机。