Thallocenium
二茂铊(阳离子)
🗣️ 情景例句
Is there any discount on bulk purchases?
我多买些能打折吗？
I meet the boy whose aunt is a librarist.
我遇到那个男孩的姑妈是图书管理员。
Last week I went to the theatre.
上星期我去看戏。