Poly(ethylene oxide)
[化] 聚环氧乙烷
🗣️ 情景例句
At 4, but I have to leave by 3:00 to get there on time.
四点，不过我三点必须离开，才能准时到那里。
In good years corn is hay, in ill years straw is corn.
丰年五谷贱如草，荒年稻草贵如粮。
Li Lei, go and find a teacher. I'll go and move away the bag of rice with Lin Tao.
“李垒，你去找老师。我和林涛去搬走那袋大米”。