案例主题:生菜甩干机上课学生:七八岁儿童案例缘起:法国人的饮食习惯是生吃蔬菜,生菜是他们喜爱的生食蔬菜之一。他们通常是将生菜洗干净之后,再用生菜甩干机将菜叶上面的水份甩干,然后直接食用,因此生菜甩干机是家庭必备用品。在这样一件常见的工具里面,隐藏 Case theme: lettuce drying machine Class students: seven or eight years old children Case origins: The French diet is raw vegetables, lettuce is one of their favorite raw vegetables. They usually wash the lettuce, and then use the lettuce drying machine to dry the leaves above the water, and then directly consumed, so lettuce drying machine is essential household supplies. Hide inside such a common tool