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
Are we too late for our dinner reservation?
我们会不会错过晚餐订位时间
I could swear I've been here before.
我敢发誓我曾经来过这儿。
Of course.I think there are a few in that box.
当然可以。我想那个盒子里有一些。