Dienite
丁烯均聚物
🗣️ 情景例句
Thank you, Mr. Tom. The same to you.
谢谢，汤姆先生。也祝你圣诞快乐！
He applied for a scholarship at Harvard University.
他申请了哈佛的奖学金。
When they arrived, he said: Welcome to our factory! Please come this way. Don't rush.
“欢迎参观我们厂！请走这边。别急。”