Commutation relation
[化] 对易关系
🧩 词语组成解析
commutation
[[ˌkɔmju(:)'teiʃən]]
n. 交换, 变换, 代替\\n[电] 整流
🗣️ 情景例句
I am hungry.
我真是饿了。
They cannot help but be grieved by the death of a friend.
眼见朋友死亡，自己却无能为力，他们感到深深的悲哀。
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。