柯林斯词典amniotic fluid 1. N the fluid surrounding the fetus in the womb 羊水 返回 amniotic fluid剑桥词典the liquid that surrounds the embryo of a mammal , bird , or reptile 羊水（哺乳動物、鳥類或爬行動物羊膜中的液躰） 返回 amniotic fluid