canal

noun

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

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

e.g. the tear duct was obstructed
the alimentary canal
poison is released through a channel in the snake's fangs

Synonym: ductepithelial ductchannel

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

verb

1. provide (a city) with a canal

Synonym: canalizecanalise

1. 运河;水道;沟渠
A canal is a long, narrow stretch of water that has been made for boats to travel along or to bring water to a particular area.

e.g. ...the Grand Union Canal.
大联盟运河
e.g. ...Venetian canals and bridges.
威尼斯水道和桥梁

2. (人体内输送食物、空气等的)管,道
A canal is a narrow tube inside your body for carrying food, air, or other substances.

canal的近义词

e.g. ...delaying the food's progress through the alimentary canal.
延缓食物通过消化道

1. 管道：壳缝(raphe)两侧,各有一与之平行的贯通管道(canal),其内壁无孔、凸向细胞,外壁上则一至数行平行壳缝的孔洞. 壳缝轴(raphe-sternum)位於细胞中央. 壳缝终止点----(两极外面) 顶生盲缝(terminal fissures)偏斜或钩状.

2. 水道：其次便是关于水道(canal)的事,水道这个字或与这个字有关的字也许见于另一书内......她不知道......这都太模糊了. 你们必定会以为梦中提到的水道因为本身模糊,就难于解释99 了. 你们认为困难,这是对的,但困难的原因不是模糊;

3. 沟渠：8.到Vista Point,有3个沟渠(Canal)及3个炮口,此时的目的是要令石头(Rock)进入3个不同的炮口--拿起石头扔进右边的沟渠(Canal of Right Side再拿起石头扔进中间的沟渠(Canal of Middle最后一个有点麻烦,