O3
[医] 臭氧
🗣️ 情景例句
How many people will you be bringing?
你约了多少人来？
Jenny is delighted with her poem.
珍妮为自己做的诗感到高兴。
No matter what happens, she often said, keep on beginning.
无论发生什么事，"她常说，不断从头开始。