canal

canal

名词 canal:

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

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

同义词：duct, epithelial duct, channel

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

动词 canal:

provide (a city) with a canal

同义词：canalize, canalise