O2
[医] 氧(8号元素); 两眼
🗣️ 情景例句
You'd better not make Harry any more nervous than he is.
你最好别让Harry更加紧张了。
After you think it over,please let me know what you decide.
在你考虑它以后，请让我知道你决定什么。
The enormous increase of population will create many problems.
巨大的人口增长将产生很多问题。