Backflush
回洗
🗣️ 情景例句
Many business people turn off their pagers and cell phones during their leisure time.
许多商人在他们的休息时间里都把传呼机和移动电话关掉。
What time do you get up every day?
你每天什么时间起床？
This has not been easy because I own over a thousand books.
但这并不容易，因为我有1，000多本书。