commutable
adj. 可取代的
名词：commutability
近义词：exchangeable，substitutable，incommutable，
英英释义
Adjective
- subject to alteration or change;
"the death sentence was commutable to life imprisonment"
- capable of being exchanged for another or for something else that is equivalent
例句
- A commutable prison sentence.可减刑的监狱判决
- A pension is often commutable into a lump sum.养老金常可改为一次性总付款。