Endostitis
[医] 骨内膜炎
🗣️ 情景例句
Well,
那么，
Do you live up the street?
你在街头居住吗？
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。