Actinoid
a. 放射线状的\\n[化] 锕系元素; 锕系
🗣️ 情景例句
when all my favorite people live here?
而所有我喜欢的人都在这里呢？
How often did I tell you not to slam the door?
我告诉你多少次不要砰然关门?
When's the next train?
下一班车是什么时候？