Polyhydrone
多聚水
🗣️ 情景例句
I need to cancel that. We have had a last minute change of plans.
我要取消预约，我们临时改变计划了。
Won't you buy me a newspaper on your way home?
回家的时候，替我买份报纸好不好？
How did the printing come out?
这种印刷结果怎样？