Mohr
n. 莫尔（测定海水氯化物的方法）
🗣️ 情景例句
Thank you. The same to you.
谢谢。圣诞快乐！
Who is he?
他是谁？
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。