sem·i·cir·cu·lar ca·nal
noun/ˌsemiˌsɜːkjələ kəˈnæl/
/ˌsemiˌsɜːrkjələr kəˈnæl/, /ˌsemaɪˌsɜːrkjələr kəˈnæl/
[usually plural] (anatomy)- any of three semicircular tubes in the inner ear that are filled with liquid and are connected together. The semicircular canals are important for the body’s balance.
内耳中充满液体并连接在一起的三个半圆形管中的任何一个。半规管对于身体的平衡很重要。