Noncommutative
非交换的, 非可换的
🗣️ 情景例句
The only-child generation brings about many new social problems.
独生子女一代带来了许多新的社会问题。
Delays are dangerous.
坐失良机必有忧患。
Can I give it to you now?
现在就下给你，可以吗？