Isthmus
01
地峡, 狭窄的土地
a narrow piece of land with water on each side that connects two larger areas
例子
The Isthmus of Panama serves as a crucial land bridge connecting North and South America, facilitating the exchange of flora and fauna between the continents.
巴拿马地峡是连接北美洲和南美洲的重要陆桥，促进了大陆间动植物的交流。
Ancient civilizations often settled along isthmuses for their strategic significance in trade and defense.
古代文明经常沿着地峡定居，因为它们在贸易和防御中具有战略意义。
02
a narrow band of tissue connecting two larger parts of an anatomical structure
例子
The thyroid gland is joined by a thin isthmus across the trachea.
The isthmus of the brainstem links the midbrain to the cerebellum.
