O3

[医] 臭氧

🗣️ 情景例句

At four o'clock,
四点钟，
Are there reserved seats on the train?
车上有预订座位吗？
Suppose it rains,what shall we do?
万一下雨，我们该怎么办？
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🔤 更多 O 开头的单词

octaploid
oculometroscope
olation
Onanoff's sign
open circulit ethods
order Cyclostomata
orthopedium
out of heart
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