Incommutable
a. 不能改变的, 不能变换的
✅ 同义词
🗣️ 情景例句
We had this part of the conversation
我们正谈到这儿
None preaches better than the ant, and she says nothing.
蚂蚁不说话，但最善于说教。
Yet a great many processes depending on such research are sought for with complete secrecy until the stage at which patents can be taken out.
然而，依赖这种研究的很多工艺程序是在完全保密的情况下进行的，直到可以取得专利权的阶段为止。