gravid造句

1、In addition, gravid females need more calcium, which is used to build the shells of the eggs.
此外，妊娠的雌性需要更多的钙，来帮助形成卵壳。

2、Extracts from ovaries were also attractive to gravid females.
卵巢提取物同样对产卵雌蝇有诱集活力。

3、Morphology of the scoleces and gravid proglottids was observed under microscope.
方法肉眼观察虫体，镜下观察头节和孕节形态。