Penteticacid
三胺五乙酸
🗣️ 情景例句
Let's finish eating,
我们赶紧吃完。
I'm always confused with s and th.
我常把s和th搞混。
Half an hour later, another man struck a match for a cigarette and this time the whole of the inside of the ship caught fire.
半小时后，又一个工人擦亮火柴想点支香烟，这下整个船舱都起了火。