Central heating was present in every upper-middle-class home by the second half of the 19th century.

到19世纪下半叶，中央供暖系统已出现在每个中上层家庭里。

youdao

Children of educated and upper-middle-class parents turn out to be far more curious, even at early ages, than children of working class and lower class families.

受过教育的孩子以及中上层家庭的孩子甚至在很小的时候就比工人阶级和下层家庭的孩子更有好奇心。

youdao

Children of educated and upper-middle-class parents turn out to be far more curious, even at early ages, than children of working-class and lower-class families.

比起工人阶级和下层家庭的孩子，受过教育的孩子以及中上层家庭的孩子甚至在很小的时候就更有好奇心。

youdao

The suspect was born in a tiny northwestern village to an upper-middle class family.

VOA: special.2010.05.08

Upper-middle, I mean upper class, upper-middle class,

中上阶层，我是说中上阶层，

生活费偏高 - SpeakingMax英语口语达人

He comes from an upper-middle class family. Neighbors in this town of 5,000 are saddened by the news.

VOA: standard.2010.05.06

They aimed at upper-middle-class female customers, whom they believed were underserved by the Korean market.

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First, nearly all the students and families in the film were from upper-middle-class families.

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His mother grew up in an upper-middle-class family but was descended from less-than-noble traders and farmers.

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