英语翻译：
【医】 gestation sac
分词翻译：
妊娠的英语翻译：
gestation; gravidity; pregnancy
【医】 conception; cyesis; cyophoria; encyesis; fetation; gestation; gravidism
graviditas; gravidity; pregnancy; syllepsis; tecnogony
囊的英语翻译：
bursa; purse; theca; vesica
【医】 accessory pocket; bag; balloon; bladder; bursa; Capsul; capsula
capsulae; capsule; cyst; cyst-; cysti-; cystido-; cystis; cysto-
hydatid; kysto-; pouch; sac; sacci; saccus; Ves.; Vesic.; vesica
vesicle; vesico-