Stpp
[化] 三磷酸钠; 三聚磷酸钠
🗣️ 情景例句
I've been studying all day, and I'm sick and tired of it.
我学了一天，现在感到厌倦。
The new leaves in springtime have a soft touch.
春天的新芽有柔软的触感。
Aren't you concerned about it?
难道你不担心吗？