Permutability
换排性, 转置性, 交换性
✅ 同义词
🗣️ 情景例句
I'll save your Dad the trouble; I'll pick her up.
不麻烦你爸了，我去接她吧。
The restaurant doesn't open until seven forty-five.
饭馆要到七点四十五分才开门。
A mooncake is a delicious, round cake.
月饼是一种味美的圆糕点。