Actinide
n. [化]锕类
🗣️ 情景例句
Have you been getting enough rest?
你休息的足够吗？
You have to be on time. Don't be late.
只准早到，不许迟到。
The police were called in, but they could not arrest anyone,
警察被召来了，但他们却不能逮捕任何人，