名词

1. 运河；灌溉渠

2. 导管；食道；气管

词形变化

时态canalled，canaled，canalling，canaling，canals

英语解释

(astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion

provide (a city) with a canal

long and narrow strip of water made for boats or for irrigation

a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance