Batisite
硅幅粪石
🗣️ 情景例句
Don't be so grumpy.
别总这么爱抱怨。
I'm coming.
我来啦。
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。