Actinoid
a. 放射线状的\\n[化] 锕系元素; 锕系
🗣️ 情景例句
You might want to read up a little on the culture before you get there.
去那儿之前，你应该读一些关于那边文化方面的书。
He is very nervous, so he takes a lot of pills.
他非常的神经质，所以要服很多药
Yes, it's beautiful, isn't it?
是的，今天的天气真好！