Actinide elements
[化] 锕系元素
🧩 词语组成解析
n. [化]锕类
n. 原理, 基础
🗣️ 情景例句
You must be very tired after the journey.
旅行之后，您一定累了吧！
No man ever became thoroughly bad at once.
没有一个人是一下子就坏透的。
It is about two hundred metres from his home.
汽车站离他家二百米左右。