细细的秋雨、凉凉的秋风、暖暖的太阳、蓝蓝的天空……哎呀,秋天真是奇妙无比啊!晚上,月儿圆圆的、亮晶晶的,我们全家来到广场练活力板滑轮!我、老爸、老妈一起比赛,我第一、老爸第二,哈哈,老妈不会!我来给老妈当教练。“老妈,你不要怕,快一点儿,用惯性!”我着急地说。“哈!什么是惯性呀?”老爸问我。“速度要快,快了就能平衡,这样就能保持惯性啦!”我解释说。“什么是平衡呀?”老爸又不知道了,还问我。“平衡就是你在活力板上摔不下来,不许问了!”我说。 Thin autumn, cool autumn wind, warm sun, blue sky ... Oh, the autumn is really wonderful ah! In the evening, the moon is round, shiny, our whole family came to the square practicing vitality pulley! I, dad, mom together game, my first, father second, ha ha, mom will not! I come to the mom as a coach. “Mom, do not be afraid, go faster, use inertia!” I said anxiously. “Ha! What is inertia?” “Dad asked me. ”Speed ​​is faster, faster is balance, so you can stay in inertia! “ I explained. ”What is the balance?“ ”Dad did not know, and asked me. “The balance is you can not fall on the vitality of the board, not allowed to ask!” I said.