Incommutable
a. 不能改变的, 不能变换的
✅ 同义词
🗣️ 情景例句
He is working on a book about the Vietnam War.
他正在写一本关于越战的书。
Tell me all about your troubles.
把你所有的烦恼都告诉我吧。
On his arrival he was sold to a farmer and worked in the fields.
一到美国，他就被卖给了一个农场主，到地里干活。