Polysulfonate
多磺酸盐
🗣️ 情景例句
Emergency Assistance, may I help you?
紧急事故救援中心，有什么需要帮助的吗？
I will go to home.
我将回家。
I waited till he came near, then I asked him the way to our old village.
等他走近了，问他去老家的路。