today is my grandpa's birthday. our family went back to my grandpa's home in the morning. we got together to have a big family dinner to celebrate his birthday. we bought a big birthday cake and gave some presents to my grandpa.in the afternoon, we went to the park to go boating. we had a good time. my grandpa had a nice time on his birthday.今天是我爷爷的生日，我的家人们一大早就回到爷爷家里。我们享用了一顿丰盛的午餐来庆祝爷爷的生日。我给爷爷卖了一个大大的生日蛋糕和一些礼物。下午，我们一起去公园划船，我们玩得很开心，爷爷也很开心。