Deliver Thanksgiving dinners to housebound people.
给行动不便的人们送上感恩大餐。
By all accounts, these new centenarians are far from the frail, ailing, housebound people you might expect.
据说，这些新百岁老人并非是你想象中那种体弱多病的足不出户者。
Also, people who are dark-skinned or housebound or who live in far northern latitudes may fail to make enough vitamin d.
肤色深的人，足不出户的人或是住在高纬度地区的人也可能无法制造足够的维他命d。
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