if a woman or female animal is pregnant, she has an unborn baby growing inside her body

怀孕的，妊娠的;

medical care for pregnant women

孕妇保健

I knew right away that I was pregnant.

我立即明白我怀孕了。

I thought I was too old to get pregnant .

我以为我年龄太大，已经不能怀孕了。

She's about five months pregnant.

她怀孕 5 个月左右。

Maria was pregnant with her second child.

玛丽亚怀着她的第二个孩子。

I didn't mean to get her pregnant (=make her pregnant) .

我没想让她怀孕。

His wife was heavily pregnant (=almost ready to give birth) .

他的妻子即将临产。

pregnant pause / silence, a pause or silence which is full of meaning or emotion

耐人寻味（意味深长）的停顿/沉默:

He stopped, and there was a pregnant pause.

他停住了，那是个意味深长的停顿。

pregnant with sth, [formal] containing a lot of a quality

蕴涵丰富的…，饱含…:

Every phrase in this poem is pregnant with meaning.

这首诗的片言只语都蕴涵着丰富的含义。