And also direct...gas pine blands through the interior of Burma, directly to China.

还铺设了油气管道,经过缅甸境内，直达中国。

普林斯顿公开课 - 国际座谈会课程节选

and gas mines... gas lines had burst and burst into flames,

瓦斯管道……输气管道都燃烧了起来，

发生大地震时 - SpeakingMax英语口语达人

This diagram is supposed to make you think about the intestinal tract, this tube that runs through our bodies and allows us to acquire nutrients from the environment.

这幅图意在,让你们考虑一下肠道,这个贯穿我们身体的管道,使我们能够从环境中吸收营养

耶鲁公开课 - 生物医学工程探索课程节选

This tube, this hollow tube, which food passes through is made up of many, many epithelial cells which directly abut one another and would be a flat sheet except that it's rolled up into a tube.

这个管道,这个中空的管道,食物可以穿行其中,而它就是由许多许多上皮细胞构成的,上皮细胞一个连着一个,形成了一个平坦的细胞层,但实际上它们还在肠管中卷成管状

耶鲁公开课 - 生物医学工程探索课程节选