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鈣，來幫助形成卵殼。

2、Extracts from ovaries were also attractive to gravid females.
卵巢提取物同樣對(duì)產(chǎn)卵雌蠅有誘集活力。

3、Morphology of the scoleces and gravid proglottids was observed under microscope.
方法 肉眼觀察蟲體，鏡下觀察頭節(jié)和孕節(jié)形態(tài)。

gravid翻譯