Counterdiffusion
反扩散
🗣️ 情景例句
I know a friend who can get us free tickets.
我认识一个可以给我们弄到免费票的朋友。
Wherever an ass falleth,there will he never fall again.
驴子绝不会在同样的地点跌倒两次。
No. She's wearing green trousers, and a yellow sweater.
不。她穿绿色裤子，黄色毛衣。