Hafnate
铪酸盐
🗣️ 情景例句
OK. I'll let you get back to your work.
好，你过去工作吧。
I remember the girl whose father goes there every autumn.
我记得那个女孩的父亲每年秋天都去那里。
How did Mary make all of her money?
玛丽所有的钱是怎么赚到的？