Deoxygenization
除氧
🗣️ 情景例句
I like reading the works of Lao She.
我喜欢读老舍的作品。
He seldom came to see his wife, did he?
她不来看他妻子，是这样吗？
The children started to walk around the island.
孩子们开始绕着小岛散步。