三口之家地道的翻译是nuclear family
例:
I was born in a nuclear family.我出生在一个三口之家
那么四世同堂类的大家庭就要译为 extended family 了
在口语表达中 ,三口之家可以译为
a family of three persons 或a family of three
例句:Special offer on Sunday: a family of three is served a free Bottle of drink with their western Buffet in this restaurant.
周日优惠,三口之家来本店品尝西式自助餐均免费招待饮料一瓶 .
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