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 world breaks everyone, and afterward, many are stronger at the broken places.生活总是让我们遍体鳞伤，但到后来，那些受伤的地方会变得更坚强。Many women still take career breaks to bring up children.仍然有许多女性为了抚养孩子而离职。It really breaks my heart to see t...
He was short of cash after the collapse of his business.在公司倒闭后，他手头缺少现金。He stopped a hundred yards short of the building.他在离大楼100码处停下了。The resolution stopped short of an outright declaration of independence.这项决议几乎成为公开的独立宣...
Bob Beamon's longstanding record for the long jump was eventually broken.鲍勃·比蒙长期保持的跳远纪录最终被打破了.Who is going to judge the long - jump competition?谁来当跳远比赛的裁判?I'd jumped seventeen feet six in the long jump, which w...