上海市中环线虹许路北虹路下立交工程是目前世界上在饱和含水软土地层中施工的横截面最大的管幕法工程。

The subway crossing project through Hongxu Road in Shanghai is the pipe-roof project with the biggest cross-section box culvert up to now in the world.

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由于时代的久远和知识的匮乏，先民基于对虹的想像认为虹是双首龙，先民观念中的虹与远古龙蛇类动物图腾崇拜有着密切的关系。

Because of the remote era and deficient knowledge, the people lived in ancient times believed that the rainbow was dragon with two heads on the basis of their imagination.

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彩虹有时会以两条同心圆弧形态出现。内弧称为主虹，外弧称为副虹或霓。

Rainbows sometimes appear as two concentric bows with the inner one called the primary bow and the outer one the secondary bow.

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In Gravity's Rainbow he did enormous amounts of research in newspapers from the Second World War in London where some of the novel is set, so that you can go to newspapers and find the ads that he talks about in the novels.

充满了人类历史的碎片的丰富世界,在伦敦写《万有引力之虹》的时候,他在报纸上查阅了,大量关于二战的信息。

耶鲁公开课 - 1945年后的美国小说课程节选