Mutualistic
a. mutualism的形容词形式（互助论, 互利共生）
✅ 同义词
🗣️ 情景例句
Take care, and have a nice flight.
请保重！祝你一路顺风！
If he doesn't help him, I will.
如果他不，我将帮助他。
Where's my cup? Is that my cup?
我的杯子在哪儿？那是我的杯子吗？