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
He has an old head on young shoulders.
他年轻又有见识。
I may be wrong, but your theory is all wrong, professor.
也许我不对，不过，教授您的理论是完全错了。
That sounds like the product we had in mind.
那种产品好像就是我们所想要的。