...delaying the food's progress through the alimentary canal.是什么意思？

...delaying the food's progress through the alimentary canal.

延缓食物通过消化道

delaying

adj. [计] 延迟的；v. （使）耽搁，延误( delay的现在分词 )，推迟，使延期，使延迟；

例句
The advisers are delaying the key decision on whether to float 60 per cent or 100 per cent of the shares.
顾问们对于发行60%还是100%股份的关键问题迟迟未作决定。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

progress

n. 进步，前进，[生物学]进化，（向更高方向）增长；v. （使）进步，（使）进行，发展，促进；vi. 发展，（向更高方向）增进；

例句
Their progress at work was mirrored by their children's educational advance.
子女在学业上有所进步，他们在工作上也就会有所起色。

through

prep. 通过，穿过，经由，透过，凭借；adv. 从头到尾，彻底，自始至终；adj. （电话）接通，通话完毕，有洞的，直达的；

例句
The proposal was instantly voted through with two to one in favour, accompanied by enthusiastic applause...
在热烈的掌声中，提案以2比1的优势很快通过了表决。

alimentary

adj. 食物的，营养的；

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

canal

n. 运河，沟渠，管道，气管，食道；vt. 建运河，疏

例句
The canal was built between 1793 and 1797...
运河开凿于1793到1797年间。