Aeroionization
空气离子化, 空气电离(作用)
🗣️ 情景例句
Have you ever done any correspondence work?
你有处理文书的经验吗？
How did you doing spend your holiday?
你假期怎么过的？
Yes. B-double O-K, book.
好的。B-双写O-K，book（书）。