Permutoid
[化]交换体
🗣️ 情景例句
I'll chop the onions.
我要去切洋葱。
Wit once bought is worth twice taught.
亲身一次的经验，抵得上老师两次的教导。
He prepared the speech carefully and went to the wedding with Jenny.
他认真准备了讲稿，带着珍妮一道去参加了婚礼。