xiaodong learned another skill. i m so happy! a big sister saw him and quickly helped him up. she took xiaodong s hand and slid forward slowly. teach him how to skate while you skate. gradually,今天晚上,她牽著小東的手慢慢向前滑去,媽媽給小東穿上滑冰鞋,小東手忙腳亂,這時一位大姐姐看見了,when i arriv