Fluorosilicate
氟硅酸盐
🗣️ 情景例句
It's funny. History repeats itself.
真有意思。历史在重演。
You'd better wear a light jacket.It's chilly today.
你今天最好穿一件浅色的夹克衫。 今天很冷。
The people performing all play different instruments and three of them sing too.
参加演出的人都要演奏不同的乐器，其中三位也演唱。