Radiations
(radiation 的复数) n. 辐射\\n[化] 放射
🗣️ 情景例句
Yes, sir.
是的 ，先生。
It has been a long time since last came here.
自从我上次来这里已经有很长时间了。
When they had all made themselves comfortable, a stranger appeared.
当他们都已安排舒适时，一个陌生人出现了。