Stpp
[化] 三磷酸钠; 三聚磷酸钠
🗣️ 情景例句
It's certainly a pleasure to meet you.
认识你真是我的荣幸。
I played in the yard this afternoon.
我今天下午在庭院玩。
Everyone has something to sell.
人人都有东西可以出售。