Amniotic isthmus
[医] 羊膜峡
🧩 词语组成解析
a. 羊膜的\\n[医] 羊膜的
isthmus
['isməs, 'isθməs]
n. 地峡;
🗣️ 情景例句
Art is for enjoying, it shouldn't be wasted.
艺术是用业观赏的，不能糟踢它。
To fall down
掉下
We realized that they must have become unduly frightened by the rising flood,
我们意识到他们一定是被不断上涨的洪水吓坏了。