Polyclimax
[生态]多元(演替)顶极, 多元顶极群落
🗣️ 情景例句
What did I forget?
我忘记什么？
When did you find this book?
你什么时候找到这本书的？
Can I have the key to the front door please?
我能带上前门的钥匙吗？