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
Have they made it up yet?
他们和好了吗？
Why are you so lazy?
你为什么这样懒惰？
The sea bed was scoured with powerful nets and there was tremendous excitement on board went a chest was raised from the bottom.
他们用结实的网把海床搜索了一遍。