妹妹做食品卡英文是 "My sister makes food cards." 来源是因为食品卡通常是用来记录食物信息的卡片，而妹妹则是指妹妹做这件事。下面是一些英文例句和中文翻译：

My sister makes beautiful food cards that show the ingredients and nutrition information for each dish. 我妹妹做了很漂亮的食品卡，上面显示了每道菜的配料和营养信息。
She started making food cards as a hobby, but now she sells them onpne and at local markets. 她开始做食品卡作为一项业余爱好，但现在她在网上和当地市场上销售这些卡片。
The food cards are very popular with people who are trying to eat healthier or follow a specific diet. 食品卡非常受人们欢迎，因为它们对于那些试图吃得更健康或遵循特定饮食计划的人来说非常有用。