Chronicity
n. 慢性, 长期性\\n[医] 慢性
✅ 同义词
🗣️ 情景例句
You must be green to believe that!
你真幼稚，竟然相信那个。
A growing youth has a wolf in his belly.
青年成长时，食量大如狼。
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。