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 think I'll wait until tomorrow.
我想我就等明天再谈。
I'd like to ask you just one question.
恕我请教你一个问题。
Neither of us spoke during the journey.
旅途中我们谁也没讲话。