O3
[醫] 臭氧
??? 情景例句
She's unhappy
她很不高興。
Congratulations on your success in the election.
我恭喜你當選了。
After years of conditioning, most of us have developed an unshakable faith in railway timetables.
經過多年的適應，大多數人對火車時刻表產生了一種不可動搖的信念。