Noncommutative
非交换的, 非可换的
🗣️ 情景例句
This situation permits no delay.
在这种情况下，不允许有任何拖延。
You were late again this morning. I think you had better start being on time.
你早晨又迟到了，我想你最好开始守时。[托福]
My name's Ling Feng.
我叫凌峰。