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....
The BOD test is essentially a bioassay procedure.BOD试验实际上是一项生物测定方法.The bioassay of freshwater sediment toxicity is described.描述了淡水沉积物毒性的生物测试方法.The field bioassay of 4 trunk injection insecticides ( 14 % Imidacloprid + DD...
我甚至开始巧妙地利用他。I even began to exploit him in subtle ways.在这本新作中，哈里森巧妙地理顺了那些纷繁复杂的争论。In this new book, Harrison brilliantly disentangles complex debates.他巧妙地令对手心生疑窦。He cleverly sowed doubts into the minds of his rivals....
Her untimely return could spoil Miss Melville's entire programme for the evening.她提前回来可能会破坏掉梅尔维尔小姐今晚的整个计划。His mother's untimely death had a catastrophic effect on him...他母亲的早逝给了他沉重的打击。...an untimely visit from ...