Actinide
n. [化]锕类
🗣️ 情景例句
and tell us all about it during lunch.
一面吃午餐 ，一面告诉我们一切。
She feels pity for him.
她同情他。
An aeroplane offers you an unusual and breathtaking view of the world.
飞机上，你可以观察世界上非同寻常的奇妙的美景。