Copolyalkenamer
共聚烯烃
🗣️ 情景例句
What do you call this? A tow year old child could have done a better job!
你是怎么回事？就连两岁的孩子都可以比这做得更好！
The love of money and the love of learning rarely meet.
爱财与好学，实难相共容。
There are some boats on the river.
河上有几艘船。