He is a man of low birth.

他是位出身低微的人。

youdao

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。

youdao

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。

youdao

He says there are a number of simple, low-cost interventions that can improve the chances of a full-term birth.

VOA: special.2009.10.26

Between 1985 and 1996, the incidence of low birth weight babies in the US rose from 6.8% to 7.4%.

BBC: Heavy work 'bad for childbirth'

GDP, a figure certain to rise as Italy's awkward demographics of low birth rate and increasing longevity push the scheme even further out of financial balance.

ECONOMIST: Italian pensions

And not just in America: in Germany, where the long years of low birth rates will reduce the size of the pool over the coming decade, Kienbaum, the country's leading pay consultancy, recently set up a special unit to comb academe for youthful high-fliers.

ECONOMIST: Too much inequality is bad for you