Deoxygenization
除氧
🗣️ 情景例句
(looking at his calendar) Oh, next Friday is May 4th.
（正在看着日历）哦，下周五是五月四号了。
When the fire started, I was writing letters.
当火起来的时候，我在写信。
The opinion does not survive experience of a popular Continental camping place.
但这种说法在受人欢迎的欧洲露营场地是站不住脚的。