canal单词什么意思_canal单词解释 canal的反义词canal的例句

名词运河，沟渠; 管道; 气管; 食道

及物动词建运河; 疏导

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,

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.

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

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