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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The first painted segment of the arch is ready for the mounting.

拱状大梁的第一部分已经进入安置准备。

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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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The Italians forced Spurs into a dogged rearguard action for long spells to protect the slender lead Peter Crouch's goal gave them from the first leg in the San Siro and ensure they succeeded where arch-rivals Arsenal failed in European combat.

BBC: Tottenham 0-0 AC Milan (agg 1-0)

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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