Inalterability
不变化, 不变性
✅ 同义词
🔴 反义词
🗣️ 情景例句
I've got it!
有啦！
Do not run too fast after gain.
不要见利就拼命追。
As a reasonable guess, they might, on an average, be 100 light years away.
据合理推算，外星人离我们平均距离也有100光年之远