rough lemon

例句：

1. 1. She used to love to drink rough lemonade when she was young.
   她年轻时喜欢喝酸橙汁。
2. 2. The chef used a rough lemon to flavor the sauce for his pasta dish.
   厨师用一个粗糙的柠檬来给他的意大利面调味。
3. 3. I like to use a rough lemon to make my morning coffee.
   我喜欢用一个粗糙的柠檬来泡我的早晨咖啡。