Crews in California worked to repair damage done to the spillway of the Oroville Dam.

加州工作人员正努力维修奥罗维尔大坝泄洪道。

Officials in California are preparing to inspect the damage to an overflow channel on the Oroville dam, the tallest in the United States.

加利福尼亚官员正准备检查美国最高的奥罗维尔大坝泄洪道。

Its dam, the Oroville Dam, is the tallest in America.

它的大坝，奥罗维尔大坝，是美国最高的大坝。

Officials are also keeping an eye on Oroville Dam, which we told you about last week.

官员们也在密切关注我们上周向您介绍过的奥罗维尔大坝。

One of those storms  happened in February upstream of Oroville Dam.

其中一场风暴发生在二月份的奥罗维尔大坝上游。

The repairs and rebuilding of the spillways at  Oroville Dam are a whole other fascinating story.

奥罗维尔大坝溢洪道的修复和重建是另一个令人着迷的故事。

Oroville Dam, located in northern California, is the tallest dam in the United States at 770 feet or 235 meters high.

奥罗维尔大坝位于加利福尼亚州北部，是美国最高的水坝， 高 770 英尺（235 米）。

Completed in  1968, and owned and operated by the California Department of Water Resources, every part  of Oroville Dam is massive.

奥罗维尔大坝于 1968 年竣工， 由加州水资源部拥有和运营，每个部分都很庞大。

It had never been used in the 48 years that Oroville Dam had been there, until Saturday, when water started washing down the embankment.

在奥罗维尔大坝存在的 48 年里，它从未被使用过，直到星期六，水开始冲刷堤坝。

The problem with the Oroville Dam service spillway chute was that it  had lots of cracks and joints, for reasons I'll discuss in a moment.

奥罗维尔大坝服务溢洪道的问题在于它有很多裂缝和接缝，原因我稍后会讨论。

The people downstream of Oroville Dam, and indeed any large dam across the world, probably chose their home or workplace without  considering too carefully the consequences of a failure and breach.

奥罗维尔大坝下游的人们，实际上是世界上任何大型水坝的人们，可能在选择他们的住所或工作场所时， 都没有太仔细地考虑失败和决口的后果。

Oroville Dam falls under the purview of  the Federal Energy Regulatory Commission, in a state with a progressive dam safety program  and regular inspections and evaluations by the most competent engineers in the industry.

奥罗维尔大坝属于联邦能源管理委员会的管辖范围，该州制定了渐进的大坝安全计划， 并由业内最有​​能力的工程师进行定期检查和评估。