The arch was used by the early cultures of the Mediterranean area chiefly for underground drains, but it was the Romans who first developed and used the arch extensively in aboveground structures.

在地中海区域的早期文明中，拱形结构主要被运用在地下排水管上，但在地上建筑中首先发展并广泛使用拱门的是罗马人。

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That first step of building a solid working relationship with all key stakeholders was critical to ARCH being able to deliver aid quickly, to as many animals as possible.

首先和主要的相关人士建立一个巩固的合作关系是很重要的，这样做让ARCH可以尽快地，为尽可能多的动物提供救助。

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America's arch rival, the Soviet Union, had launched not only the first satellite into orbit, but the first person as well.

美国的主要竞争对手，苏联，不但是成功发射第一颗卫星，别且也是第一个载人航天成功的国家。

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He was the first person to go over backwards with a back arch.

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Arch-gigolo Porfirio Rubirosa was married first to the daughter of Dominican dictator Rafael Trujillo, later to tobacco heiress Doris Duke and then to Woolworth heiress Barbara Hutton.

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Goodison rejoiced and Gibson, who had spent most of his career at Manchester United before signing for Everton on 13 January, was understandably elated that his first goal for his new team came against United's arch rivals.

BBC: Darron Gibson