Incommutable
a. 不能改变的, 不能变换的
✅ 同义词
🗣️ 情景例句
Thank you, thank you!
谢谢 谢谢
There have been a lot of changes here in the last 20 years.
在这20年里这里有很多变化。
He was efficient in his work.
他工作效率高。