Oxyalkylene
氧化烯
🗣️ 情景例句
Oh, Richard, how exciting!
哦 Richard 好令人兴奋
Let's look at the agenda and talk the first item.
让我们看一下议程讨论第一项。
Have we got any beer and wine?
我们还有啤酒和葡萄酒吗？