Results In normal fetus, the urorectal septum ( URS ) descended, its distance to cloacal membrane decreased gradually. 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.
There were two main political groupings pressing for independence.有两大政治团体力主独立。Ralph stood up, feeling curiously defenseless with the darkness pressing in.拉尔夫站了起来, 随着暮色逐渐深沉,他产生了一种奇怪的失去防护的感觉.pressing for eight planes rathe...
She smiled at the incongruity of the question.面对这样突兀的问题，她笑了。The incongruity of the word'spirit " in his mouth struck him so sharply.从他嘴里说出不相称的“血气 ” 这两个字,真是强烈地感动了他....
这些钱根本不够用来开始全新的生活。It's just not enough money to start life over.“这根本不关你的事，”他生气地说。"I can't see it's any of your business," he raged.他找了某个她根本不会相信的借口给她打电话。He'd telephoned with some phoney excuse she didn&...
...a certain mistimed comment.不合时宜的评论The horse completely mistimed the jump and threw its rider.这匹马起跳完全不是时候，把骑手摔了下来。mistimed publicity不合时宜的宣扬She mistimed the marathon runner.她给马拉松运动员计时时出现了计时错误.a mistimed visit不合时宜的访问...
The army claims the rebels are on the ropes.军队声称叛军支撑不了多久了。They said the bodies were found when rebels recaptured the area.他们说尸体是在叛军重新占领这个地区时发现的。The rebels have advanced to within 150 kms of the capital.叛军已经逼近到距首都150公里的地方...
多亏一块1/4英寸厚的防弹钢板，他才捡了条命。His life was saved by a quarter-inch-thick bullet-proof steel screen.下了数英寸厚的粉状干雪。A couple of inches of dry, powdery snow had fallen.他脸皮厚，不怕她嘲弄。He was thick-skinned enough to cope with her taunts....