granny flat
noun [ C ] UK uk/ˈɡræn.i ˌflæt/ us/ˈɡræn.i ˌflæt/
老奶奶套房（指家中专供老年人住的房间）
a set of rooms, often connected to or part of a relation's house, in which an old person lives
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。