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
Hey, what's up buddy?
怎么着，哥们。
Excuse me? I didn't hear what you said.
对不起，我没有听清你说的话。
The assistant asked him to leave, but Dickie paid no attention to him and requested to see the manager.
店员让迪基走开，他置之不理，并要求见经理。