Mutualistic
a. mutualism的形容词形式（互助论, 互利共生）
✅ 同义词
🗣️ 情景例句
Why is that necessary?
为什么有此必要
I'm looking for a permanent position.
我在找固定的工作。
She was soon out of breath, but she continued to run.
只追了一会儿便上气不接下气了，但她还是继续追赶。