Commutability
n. 可代替\\n[化] 可对易性
✅ 同义词
🔴 反义词
🗣️ 情景例句
He ventured his life to rescue a drowning child.
他冒着生命危险去抢救一个溺水的孩子。
Up to you.
随便你。
Some types of birds cannot fly.
有些种类的鸟不会飞。