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
You're just wasting your breath.
你在白费口舌。
I'm glad to hear you are getting married.
我很高兴听到你将结婚的消息。
We'd better catch a bus. I'll go with you.
我们还是搭公共汽车去好。我跟你一块去。