this behavioral asymmetry is thought to stem from the same preference for head turning during the final weeks of gestation and during infancy.
这种方向上的不对称性似乎是源于妊娠后期及婴儿期转头的偏好。
the gestation period (length of pregnancy) of gray and red wolves is usually around 63 days.
灰狼和红狼的怀孕周期一般都在63天左右。
they limit male hormone production, leading to insufficient supplies of the male hormone testosterone during the crucial early period of gestation when the male organs are forming.
它们会限制荷尔蒙制造,导致在怀孕初期,男性器官形成的重要时刻,男性荷尔蒙-睪丸素供应不足。
the researchers say the study involved 2,900 women who were enrolled in the study at 18 weeks「 gestation and the 2,868 children born live were tracked for 10 years.
研究人员表示,此项研究涉及2900名参加了18周妊娠学习的妇女,并且对他们分娩的2,868名婴儿进行了为期10年的追蹤调查。
the extraordinary length of the book’s gestation meant that much changed between conception and publication.
该书酝酿时间之久惊人,这就意味着在谋篇布局和出版这本书的流程上变动很大。
he found 138 instances in which one twin died before 16 weeks’ gestation and the other was born and survived.
他找到了138例这样的双胞胎妊娠记录:一个胎儿在妊娠16周内死亡,另一个出生并存活下来。
researchers said gestation might take place in an artificial womb, with embryos selected and genetically manipulated to ensure they were free of disease.
科学家认为,可通过人造子宫孕育胚胎。父母还可选择所谓的优质婴儿,根据免于生病的基因等进行选择。
temi」s pregnancy lasted 670 days, the usual 22-month gestation period for the species. the actual birth took about 20 minutes, according to the zoo.
特米的妊娠期长达670天,而大象的妊娠期一般是22个月。据动物园人员描述,整个生产过程大概用了20分钟。
during the long gestation period for the rules, circulation came to be valued as a revenue source, while ad revenues were plummeting.
在漫长的孕育规则的过程中,发行量曾作为收入来源的指标,然而广告收入直线下降。
temi’s pregnancy lasted 670 days, the usual 22-month gestation period for the species.
特米的妊娠期长达670天,而大象的妊娠期一般是22个月。
cook's biggest strength is moving products from gestation to the hands of over-eager customers.
库克最大的本事是把产品从酝酿期移到迫不及待的消费者手里。
keepers said asian elephants have the longest gestation period - at 22 months - of any animal in the world.
动物看护人员说,比起世界上其他动物来,亚洲象有最长的怀孕期——22个月。
in the last weeks of gestation he’ll gain about half a pound a week.
在怀孕的最后几周里他差不多会每周增重半磅。
every idea has its own gestation period, some appearing seemingly in seconds while others taking months or even years to formulate.
每一个想法都需要一段时间来酝酿,有的好像几秒钟就有灵感闪现,有的要花好几个月甚至好几年的时间才能成行。