meals on wheels
noun [ U ] uk/ˌmɪəlz ɒn ˈwiːlz/ us/ˌmɪəlz ɑːn ˈwiːlz /
上门送餐服务（为老人及病人送饭上门的免费或廉价服务）
a service that takes hot meals to the homes of old and ill people, either for free or for a small payment
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。