简介： 有一天,一只海龟在沙滩上散步,看到一只螃蟹在爬行海龟问螃蟹:"你为什么总是横着走"螃蟹回答说:"因为我有钳,所以任性"这回答,太逗了 It seems simple: an egg + sperm = one embryo. But if your sperm is quot;few, vague and abnormalquot; and your woman is premenopausal at age 37, things start to get chaoduo.chaoduo.netplicated.
有一天,一只海龟在沙滩上散步,看到一只螃蟹在爬行海龟问螃蟹:"你为什么总是横着走"螃蟹回答说:"因为我有钳,所以任性"这回答,太逗了 It seems simple: an egg + sperm = one embryo. But if your sperm is quot;few, vague and abnormalquot; and your woman is premenopausal at age 37, things start to get chaoduo.chaoduo.netplicated.展开