Ecotone
n. [生]群落交错区
🗣️ 情景例句
How shall I address you?
我该怎样称呼你？
Let's get together one of these days.
找一天聚聚。
Class 3 and Class 1 were in front!
他们两人同时传出接力棒。这时3班和1班在前边！