Relacing
(脱钩安全器的)再接合
🗣️ 情景例句
Don't worry about it.
别放在心上。
Believe it or not!
信不信由你。
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。