结果 泄殖腔发育过程中,胎龄15d前 的正常鼠胚, 尿直肠隔将 泄殖腔 分为腹侧的尿生殖窦和背侧的直肠两部分, 二者共同相通于泄殖腔管.Results In normal fetus, the urorectal septum ( URS ) descended, its distance to cloacal membrane decreased gradually....
...the original primordial explosion.最初的宇宙大爆炸Twenty million years ago, Idaho was not the arid place it is now. Rather, it was warm and damp, populated by dense primordial forest.2,000万年前，爱达荷州并不像现在这样干旱。相反，那时的爱达荷州温暖潮湿，有大片的...
My underskirt had ridden up into a thick band around my hips.我的衬裙已经蹿到臀部，厚厚地卷成一圈。I learned a lot from him about how to run a band.我从他那里学到了许多关于经营乐队方面的东西.They still get treated differently from almost every other contempora...
这件事如此丢脸，深深地挫伤了我的自尊心。It was so humiliating, a terrible blow to my self-esteem.那些都不重要，因为我们深深地爱着对方。None of that matters, because we're crazy about each other.我们成了最好的朋友，他深深地影响了我。We became the best of friends and he infl...