Ecosystems
n. <生>生态系统( ecosystem的复数形式 )
🗣️ 情景例句
and with time...
而且随着时间流逝……
Prove thy friends ere thou have need.
需要朋友之前，先要加以考验。
He always took off his shoes and threw them on the floor.
他总是脱下鞋子，把它们丢在地板上。