06 5 4 3 2 178906543217 8 95 4 3 2 1年0654321789065432178906543217890654321789654321789500005前人类开始产生语言It was an Elephant!What is this animal?WPS produced animation can surprise you how much it? I don’t know… Might this be ?And you? 作者：Atlantic2009.05.12六 . 结合式动画 线性线性 + 伸缩（退出） + 忽明忽暗（强调） + 渐变
