Saproparasite
腐寄生菌
🗣️ 情景例句
What's wrong, Susan?
怎么啦， Susan？
I picked up my cards.
我捡起了我的卡片。
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。