Dioxygen
二氧, 分子氧
🗣️ 情景例句
There was no way he could solve the problem.
他根本解决不了这个问题。
Don't tell anyone that I did it.
别说是我做的。
Oh, hello, Lin Tao. Fine, thanks. What about you?
噢，你好，林涛。很好，谢谢。你好吗？