mother-in-law apartment
US /ˈmʌð.ər.ɪn.lɔː ˌəˈpɑːrt.mənt/
UK /ˈmʌð.ər.ɪn.lɔː ˌəˈpɑːrt.mənt/

1.
婆婆公寓, 姻親公寓
a separate living space within a single-family home, typically designed for an elderly parent or other family member, often with its own entrance, kitchen, and bathroom
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They added a mother-in-law apartment to their house for her aging parents.
他們為年邁的父母在房子裡加建了一套婆婆公寓。
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A mother-in-law apartment can provide privacy and independence for extended family members.
婆婆公寓可以為大家庭成員提供隱私和獨立性。