Dioolymer
二聚物
🗣️ 情景例句
She's having a baby?
她怀孕了吗？
The worker is pounding steel pipes to mend the leakage of water.
管道工为了修缮漏水而敲打着下水道的铁管。
After that she helped her parents. She quickly cooked the supper, and cleaned the house.
之后她给父母帮忙。她很快煮好了晚餐，并把房子打扫干净。