Copolyether
共聚多醚
🗣️ 情景例句
My paper work will wait.
文书工作可以缓一缓。
How much is a round-trip ticket to Beijing?
一张到北京的来回票要多少钱？
Oh, listen to the loudspeaker. I think Mr. Hu is going to tell us the result right now.
哦，请听广播。我想胡先生马上就要宣布比赛结果。