n.爷爷；外公
Grandpa and grandma sat in the back of the car. 爷爷和奶奶坐在汽车後排的座位上。
Grandpa still walks without a stick. 爷爷走路仍不拄拐杖。
Her grandpa is an expert in finance. 她外公是个财务专家。
n.外祖父母；祖父母
n.(外)祖父(母)
n.曾祖父；曾外祖父
n.grandfather
