O3
[医] 臭氧
🗣️ 情景例句
She's unhappy
她很不高兴。
Congratulations on your success in the election.
我恭喜你当选了。
After years of conditioning, most of us have developed an unshakable faith in railway timetables.
经过多年的适应，大多数人对火车时刻表产生了一种不可动摇的信念。