1·Although most times you can clearly see the signs of gravidity if you know what to look for, some females may not clearly appear to be gravid.
尽管大多数时候你可以从外观上捕捉到妊娠的信号，但有些雌性并不会表现出明显的妊娠特征。
2·Objective: To discuss the diagnostic and differential diagnostic value of ultrasonogram display for gravid trophocyte diseases.
目的：探讨超声显像对妊娠滋养细胞疾病的诊断及鉴别诊断价值。
3·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。
4·Methods: The ultrasonogram display was used to diagnose gravid trophocyte diseases and its results were compared with that of operation pathology.
方法：应用超声显像诊断妊娠滋养细胞疾病并与手术病理结果作对照。
5·This condition is referred to as gravidity, and females carrying eggs are said to be gravid.
这种状况被称为“妊娠”，我们说抱卵的雌性为妊娠状态(这句话有点废话的意思)。