名词
中文翻译：祖父
同义词：
['grandfather', "father's father例句：1. My grandfather is80 years old and still liveswith us.（我祖父今年80岁，仍然和我们住在一起。）"]
例句：
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1. My grandfather is80 years old and still liveswith us.
我祖父今年80岁，仍然和我们住在一起。
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2. He was bornin the year 1945, and his father's father ismy great-grandfather.
他出生于1945年，他的父亲的父亲是我的曾祖父。
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3. The family has a tradition of celebratingtheir grandfather's birthday every year.
这个家庭每年都庆祝他们祖父的生日。