他是位出身低微的人。
A woman of low birth may marry into the purple.
出生卑微的女人可以嫁到显贵人家。
They're more likely to have children of low birth rate and more birth complications.
高龄人群可能会导致低出生率和更多的出生并发症。
Exposure to secondhand smoke during pregnancy increases the risk of low birth weight.
怀孕期间受二手烟影响会增加低出生体重的几率。
Birth and death registration rates are low in most parts of India.
印度大部分地区的出生和死亡登记率都很低。
It is often a result of genetics, infection during pregnancy, or low birth weight.
一般来说，遗传，妊娠期感染，或低出生体重等均可能导致该病。
Number of infants with low birth weight fell from 16 per thousand to 0.3 —almost none.
低出生体重儿的数量从16‰减少到0.3‰——几乎绝迹。
One source of worry is that so many IVF babies have low birth weight.
但有一个存在的问题是，有很多试管婴儿都有低出生体重的问题。
A man of high birth may be of low worth and vice versa.
出身高贵的人可能价值低，出身微贱的人可能价值高。
Objective To investigate the growth and development of very low birth weight infants (VLBWI).
目的了解极低出生体重儿(VLBWI)的婴幼儿时期生长发育情况。
The incidence of term low birth weight babies is associated with many factors.
足月低出生体重儿的发生与多种因素有关。
Objective To explore the best route of venous administration in very low birth weight infants.
目的探讨极低出生体质量儿建立静脉输液通路的最佳方式。
Objective To investigate the clinical management of very low birth weight newborn.
目的探讨极低出生体质量儿的临床管理。
To research the related factors of the term low birth weight babies.
探讨足月低出生体重儿发生的影响因素，为临床诊治提供依据。
A man of high birth may be of low worth and vice versa.
出身高贵者，其人或者低；出身卑陋者，其人或可仰。
Much of the Western Europe and Japan have low birth rates.
很多西欧国家和日本的出生率很低。
Much of the Western Europe and Japan have low birth rates.
很多西欧国家和日本的出生率很低。
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