Oxygenerator
制氧机
🗣️ 情景例句
OK. Finish off by jogging in place.
好 ，结束之前在原地慢跑。
An ox is taken by the horns, and the man by the tongue.
牛因有脚而被抓，人因有舌而遭殃。
The most economical age to capture an elephant for training is between fifteen and twenty years,
捕捉15至20岁之间年龄的大象进行驯练最为经济。