變更

[[File:卵形.jpg|缩略图|[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E5%8D%B5%E5%BD%A2&step_word=&hs=0&pn=1&spn=0&di=226820&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=3510687845%2C3859371849&os=183271880%2C818119293&simid=0%2C0&adpicid=0&lpn=0&ln=1715&fr=&fmq=1629289331937_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2F5b0988e595225.cdn.sohucs.com%2Fq_70%2Cc_zoom%2Cw_640%2Fimages%2F20180531%2F88994d5f54c648bdbdd3ea3f37a9643d.jpeg%26refer%3Dhttp%3A%2F%2F5b0988e595225.cdn.sohucs.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Djpeg%3Fsec%3D1631881480%26t%3Dd083cba0ed76c8286ce52dde95351714&fromurl=ippr_z2C%24qAzdH3FAzdH3F4_z%26e3Bf5i7_z%26e3Bv54AzdH3FwAzdH3Fdnnca9ncb_9alaml%3F_u%3D4-w6ptvsj_n9_ujj1f_b&gsm=2&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined 原图链接][https://m.sohu.com/a/233504358_409069?_f=m-article_34_feeds_8 来自手机搜狐网]]]

'''卵形''' 像鸡蛋轮廓一样的形状，可以看作是经过锥化之后的椭球体。