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1·The gestation period of a horse is about eleven months.

马的怀孕期大约为十一个月。《牛津词典》

2·The gestation period can be anything between 95 and 150 days.

妊娠期从95天至150天不等。《柯林斯英汉双解大词典》

3·Extraembryonic mesoderm migrates through primitive streak to the presumptive yolk sac between days 6.5 and 7.0 of gestation.

胚外中胚层在妊娠的第6.5至7.0天之间通过原始条带迁移到推测的卵黄囊。

4·What is the gestation (pregnancy) period of a wolf?

狼的怀孕周期是多长？

5·Preterm is defined as less than 34 weeks' gestation.

胎龄未满34周为早产儿。

6·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。

7·Preterm birth is defined as a birth that takes place before 37 weeks gestation.

早产被定义为怀孕不到37周的生产。

8·After more than a year of gestation, Google finally introduced Google + in June.

经过一年多的酝酿，今年6月份，谷歌终于推出了Google +。

9·They decided to test this hypothesis on 152 infants born before 28 weeks of gestation.

于是，他们决定选取152个妊娠不足28周的婴儿进行实验。

10·Babies born before 37 weeks of gestation account for around 8% of births in the UK.

在母体发育少于37周的早产儿约占全英新生儿的8%。

(1)gestation period妊娠期；怀孕期；怀孕期间