Actinide
n. [化]锕类
🗣️ 情景例句
I will have a cheeseburger, medium rare,
我要一份起士汉堡，五分熟，
Put your pants on.
穿上你的裤子。
It has four Rolls-Royce Merlin engines, but the group will need to have only three of them rebuilt.
该飞机装装配有4台罗尔斯-罗伊斯的默林发动机，但是他们只需要修复其中的3台。