异卵双生胎的则存在基因差异。
在我怀第二胎的时候就没有余地去注意了。
With my second pregnancy I didn’t have the luxury to notice.
所有我的朋友生第一胎的时候都比预产期晚。
All of my friends delivered their first children after their due dates.
因没有把怀我胎的门关闭，也没有将患难对我的眼隐藏。
Because it shut not up the doors of my mother's womb, nor hid sorrow from mine eyes.
目的探讨彩色多普勒超声对部分性葡萄胎的诊断价值。
Objective To evaluate the color Doppler in the diagnosis of partial hydatidiform mole.
在一些地方，第三胎的男女比例会超过200：100.
The boy-girl ratio is above 200 for a third child in some places.
生第二胎的妇女多半情况下第一胎是女孩(59 %)。
Women having their second baby were slightly more likely to have had a girl the first time around (59 per cent).
他的解释暗含了胎中胎的一些想法，也可以成为“寄生胎”。
His explanation is suggestive of fetus in fetu(fetus within in a fetus), sometimes known as a "parasitic twin".
众多研究文献表明，轮胎气压异常是导致爆胎的主要因素之一。
Many researching literature show that abnormal tyre pressure is one of the main reasons causing tyre burst.
这个“不生育”的女人给他生了一个女儿，生第二胎的时候死掉了。
This "barren" woman bore him a daughter and died giving birth to a second child.
因他在我未出胎的时候不杀我，使我母亲成了我的坟墓，胎就时常重大。
Because he slew me not from the womb; or that my mother might have been my grave, and her womb to be always great with me.
但如果只看第一胎的性别比率，“仅”为108，没有超出正常值太多。
But if you take first births alone, the ratio is "only" 108. That is outside the bounds of normality but not by much.
这就是当一个胎儿死亡后，双胎的另一个体死亡率会高达60%的原因。
This is why, when one fetus dies, the risk of death for the co-twin can be as high as 60%.
握剪辑提供更大的强度比缝缝或任何类型的金属扣眼，因为他们没有爆胎的封面。
Grip Clips provide greater strength than sewn seams or any type of grommet, because they do not puncture the cover.
在我怀第二胎的时候，只要我保持在10,000英尺之下，我的医生准许我去滑雪。
My doctor gave me the go-ahead to hit the slopes in my second trimester as long as I stayed below 10 000 feet.
在我怀第二胎的时候，只要我保持在10，000英尺之下，我的医生准许我去滑雪。
My doctor gave me the go-ahead to hit the slopes in my second trimester as long as I stayed below 10, 000 feet.
在我怀第二胎的时候，只要我保持在10,000英尺之下，我的医生准许我去滑雪。
My doctor gave me the go-ahead to hit the slopes in my second trimester as long as I stayed below 10,000 feet.
上海父母没有选择要二胎的其中一个原因可能是日常开支的不断上涨，特别是教育的开支。
A possible reason for Shanghai parents not choosing to have a second child could be the rising cost of everyday expenses, particularly the cost of education.
调查已经发现，在美籍印度人当中，当第一胎是女儿时，第二胎的男孩出生率是高于女孩的。
Higher ratios of sons to daughters in second births, when the first child was a girl, have been found among Indians living in the US.
然而近期的这个研究结果并不意味着妇女可以通过改变她们对未来的看法来改变第一胎的性别。
But recent the results of this study does not mean that women can through the change to the future of their views to change the gender of the first child.
忘了昂贵的教学光碟和家教吧，想让孩子聪明，秘诀很简单，就是第一胎和第二胎的出生相隔两年。
Forget expensive educational DVDs and private tutors, the secret to smart children could be as simple as giving birth to them two years apart.
没有测试了，新车和新胎的不同研究，而且你得在三圈内搞明白赛车搭载的轮胎能不能坚持到最后。
There is no testing, a different approach with a new car and new tyres, and you need to know in three laps if the car is going to last with the tyres or not.
假如胎侧有显着伤痕，最佳替换掉轮胎，由于胎侧壁较薄，接受的压力有限，呈现爆胎的机会会大大添加。
If the side of the tire has a significant scar, the best to replace the tires, because the tire side wall is thin, the acceptable pressure is limited, showing tire can greatly increase the chance.
动物园熊猫小组的负责人唐·林德伯格说，“白云”是周二下午1点15分在碎竹子搭成的窝中生下第一胎的。
Bai Yun gave birth in a nest of shredded bamboo at 1:15 p.m. Tuesday, said Don Lindburg, head of the zoo's panda team.
1981年，洛杉矶的一项研究发现，在33岁以前堕过第一胎的妇女患乳腺癌的几率很明显高了2 -4倍。
1981 - a Los Angeles study found a significant 2-4 times higher incidence of breast cancer among women under 33 years of age who aborted their first baby. (2).
1981年，洛杉矶的一项研究发现，在33岁以前堕过第一胎的妇女患乳腺癌的几率很明显高了2 -4倍。
1981 - a Los Angeles study found a significant 2-4 times higher incidence of breast cancer among women under 33 years of age who aborted their first baby. (2).
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