Hafnifluoride
氟铪酸盐, 氟铪化合物
🗣️ 情景例句
That's all right.
没关系。
My brother took lessons on the trumpet for nearly ten years.
我的兄弟有将近10年的时间听小号的课了。
How long will it take to get to your house?
到你家要多久？