Incommutable
a. 不能改变的, 不能变换的
✅ 同义词
🗣️ 情景例句
Would you mind eating out this evening?
你介意今晚上馆子吃饭吗？
Better be the head of a dog than the tail of a lion.
宁为犬首，不作狮尾。
Yes. What day is it tomorrow?
有。明天是什么日子？