Permutability
换排性, 转置性, 交换性
✅ 同义词
🗣️ 情景例句
Please keep off the grass.
请勿践踏草地。
It's about time to get up.
差不多该起床了。
At this period Indians living in South Africa were badly treated by South African whites, and very few of them had the right to vote.
在那一时期，居住在南非的印度人受到南非白人的虐待，他们当中有选举权的寥寥无几。