Persulfacte
[化] 过硫酸盐; 过二硫酸盐
🗣️ 情景例句
I suppose so.
我认为是这样。
Lava flowed out of the crater.
喷火口流出了熔岩。
The city was equipped with a drainage system, for a great many clay pipes were found beneath the narrow streets.
城里甚至还敷设了排水系统，因为在狭窄的街道底下发现了许许多多陶土制作的排水管道。