n.运河，沟渠；管道；气管；食道vt.建运河；疏导； 变形： 复数：canals 双语释义：n.(名词)[C]运河 channel cut through land for boats or ships to travel along or to carry water[C]管道 tube through which air or food passes in a plant or animal's body英英释义： canal[ kə'næl ]n.(astronomy) an indistinct