n.[C]

1. 地峡
   the Isthmus of Suez

   苏伊士地峡

2. 【解】峡
   the isthmus of the thyroid

   甲状腺峡

n.

1. (pl. isthmuses)
   a narrow strip of land with sea on either side, linking two larger areas of land.
2. (pl. isthmi)
   Anatomy  a narrow organ or other part connecting two larger parts.