Stpp
[化] 三磷酸钠; 三聚磷酸钠
🗣️ 情景例句
What did you see on your vacation?
在假期中都看了些什么？
I'm under a lot of pressure.
我压力很大。
OK. We can get some more tomorrow. We should finish the floor now. Can you take the other end of this piece of wood? Now you have to pull it to make the surface smooth like that.
好吧。我们明天再多买些。现在我们应该把地板弄好。你能抓住木板的另一端吗？现在你要来回拉动木板，使它的表面象那块儿木板一样光滑。