n.爺爺；外公
Grandpa and grandma sat in the back of the car. 爺爺和奶奶坐在汽車後排的座位上。
Grandpa still walks without a stick. 爺爺走路仍不拄拐杖。
Her grandpa is an expert in finance. 她外公是個(gè)財(cái)務(wù)專家。
n.外祖父母；祖父母
n.(外)祖父(母)
n.曾祖父；曾外祖父
n.grandfather
