It is believed to be the world's biggest civil engineering project.

这被认为是全世界最大的土木工程项目。

《柯林斯英汉双解大词典》

It is believed to have originated in South America in the early 1900s, and later spread to Europe before crossing over to sub-Saharan Africa.

它被认为是在20世纪初起源于南美洲，后来传播到欧洲，然后跨越到撒哈拉以南的非洲。

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It is believed to have more press officers than EDF itself.

据说，法国电力公司商会拥有的新闻发布官比公司本部还多。

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Astronomers have always thought that the Andromeda Galaxy was more massive than the Milk Way because it is believed to have more stars.

VOA: special.2009.01.20

It is generally believed that in order for that to work you need the round ship delays in milliseconds, in 100 milliseconds, in 200 milliseconds, not 8s.

人们一般相信，为了运行正常,总延迟需要控制在毫秒的单位，在100毫秒，200毫秒以内，而不是8秒。

麻省理工公开课 - 媒体、教育、市场课程节选

Bisection methods were known to the ancient Greeks, and it is believed by many, even to the Babylonians.

二分法由古希腊人所发明,我以前也说过，一直到17世纪二分法都被。

麻省理工公开课 - 计算机科学及编程导论课程节选

It is believed to be the richest team prize for a single sporting match.

BBC: England bag ?50m Twenty20 bonanza

It is believed to be the contents of animals stomachs, a waste product from meat plants.

BBC: Clubs open despite disease appeal

It is believed to be the first company to agree to disclose clawback dollar amounts.

WSJ: Banks Bow to New York on Clawbacks