名词
中文翻译：老爷爷
同义词：
['grandfather', 'grandpa例句：1. He often visits his grandfather in the countryside.（他经常去乡下看望他的祖父。）']
例句：
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1. He often visits his grandfather in the countryside.
他经常去乡下看望他的祖父。
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2.The old man was very kind to everyone he met.
这位老人对遇到的每个人都非常友好。
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3. My grandfather passed away last year.
我的祖父去年去世了。