小明问妈妈：“先人是什么意思？” 妈妈说：“先人是对死去的人的称呼” 小明说：“那去世的奶奶是不是要叫“鲜奶”？ Xiao Ming asked his mother: what does "xian ren" means? Monm: Ancestors are the names for the dead. Xiao Ming:Is the dead grandma going to call :xiān nǎi" ? xiān ren:Ancestors xiān nǎi:fresh milk