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
I'm afraid it just isn't good enough.
恐怕这不够好。
Because of the type of purchase, we can only ship by road.
由于商品的性质，我方只能使用公路运输。
I had just lost $50 and I felt very upset.
我刚刚丢了50英镑，感到非常烦恼。