X-ray activation analysis
[化] X射线活化分析
🧩 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;
activation
[,ækti'veiʃən]
n. 活化，激活，[化]活化作用;致活;
🗣️ 情景例句
If we land a man on the moon, I think someone could surely invent a toaster that works properly.
如果我们能让人类登陆月球，我想一定会有人能发明在月球上还能正常运行的烤面包机。
Easier said than done.
说话容易做事难。
I'm from Changsha. What about you?
我是长沙的。你呢？