Phyllochlorin
叶绿素蛋白
🗣️ 情景例句
What salary would you expect to get?
你希望拿多少薪水？
It's a waste of time.
这是浪费时间。
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。