A contractor was hired to drain the reservoir and to excavate soil from one area for replacement with clay.

一个承包商被雇来排干蓄水池里的水，然后挖出其中一块地方的泥土，换上粘土。

《柯林斯英汉双解大词典》

They plan to excavate a large hole before putting in the foundation.

他们计划打地基前先挖个大洞。

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She put together a team to excavate the site and is writing a book about her findings.

她召集了一个团队对遗址进行开挖并把发现撰写进了书里。

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That's how long it took for an international team of scientists to excavate and analyze the fossilized skeleton of a 4.4 million year old human ancestor, Ardipithecus ramidus, which was discovered in Ethiopia.

VOA: standard.2009.12.24

The state has no plans to excavate the Cambridge site, making research like Butz's important.

WSJ: NY teacher delves into mystery of 'Indian Ovens'

Conservationists are undertaking a 10-year project to excavate and survey 18 of the oldest churches in Somerset.

BBC: Somerset ancient churches to be excavated and surveyed

Officials plan to excavate the Emperor's tomb, which lies under a hill about a kilometer from the museum.

CNN: ASIANOW - TIME Asia | Visions of China: Xi'an