1. The ultrasound showed that she was gravid with twins.

超声波检查显示她怀上了双胞胎。

2. The gravid female bird was busy building a nest for her eggs.

那只怀孕的母鸟正忙着为她的蛋筑巢。

3. The gravid abdomen of the spider was full of eggs.

那只蜘蛛的孕育腹部满是卵子。