Ecosystems
n. <生>生态系统( ecosystem的复数形式 )
🗣️ 情景例句
I'm just calling to confirm your appointment tomorrow at 3:00 p.m.
我打电话确认明天下午3点你约定的时间。
If it is left too long, it begins to give off a bad smell.
假如把它放得太久了，它就会开始发臭。
The contents were disappointing.
箱内东西令人失望。