Rebreather
再生式氧气系统; 唿吸器; 换气器
🗣️ 情景例句
That'll be fine.
就这样说定了。
I have to raise some issues which may be embarrassing.
我必须提出一些比较尴尬的问题。
Debbie is only eleven years old and she hopes to set up a new world record.
黛比只有11岁，她希望创一项新的世界纪录。