Fluohafnate
氟铪酸盐
🗣️ 情景例句
And this is Shirley and Nicole.
这是 Shirley和 Nicole。
Please excuse me for a little while.I want to do something.
请等我一会儿时间，我要做点事。
Thus Ellis Island became known as the Island of Tears.
想要进入美国的人都必须经过多次的智力测验和体格检查，大约有200万人不准入境。因此，埃利斯岛被人们称为“眼泪岛”。