Soak the couscous overnight in the juice of about six lemons.

　　將粗麥粉浸于大約6個檸檬榨出的果汁中，浸泡整夜。

　　Oranges, lemons and limes were found to cure scurvy

　　人們發現橙子、檸檬和酸橙能治療壞血病。

　　Clambering over sackfuls of lemons, Boris tried to find a way out.

　　鮑里斯手忙腳亂地爬過一個個裝滿檸檬的口袋，想找條出路。

　　Citric acid can be extracted from the juice of oranges, lemons, limes or grapefruit.

　　檸檬酸可以從橙汁、檸檬汁、酸橙汁或者柚子汁中提取。