1. Methods All 96 patients with nodule were operated by resection of only thyroid leave and its isthmus. 方法总结96例甲状腺结节患者行一侧腺叶加峡部切除所采取的术式。
2. A city of southeast Mexico east of the Isthmus of Tehuantepec. It was founded in the16th century near the site of an Olmec settlement. Population, 158, 216. 比亚埃尔莫萨墨西哥东南的一城市，位于特万特佩克地峡东部。是在16世纪奥尔梅克聚居地附近建成的。人口158，216。
3. Yet John Underhill of Edinburgh University has found evidence that the isthmus is full of landslide rubble, which could have tumbled into a narrow sea channel during an earthquake. 然而，爱丁堡大学的约翰
英英解释
n.
1. a relatively narrow strip of land (with water on both sides) connecting two larger land areas
2. a cord-like tissue connecting two larger parts of an anatomical structure
