Fluoscandate
氟钪酸盐
🗣️ 情景例句
I want to take a few days off just for relaxation.
我想请几天假放松放松。
He already has a phonograph,but he doesn't have a radio yet.
他已经有一架留声机，但是他还没有收音机。
Did Huifang jump farther than Ann?
惠芳跳得比安远吗？