We are excavating near the lecture hall to see what types of artifacts we find—things people used in the past that got buried when the campus was constructed.
He then proceeded to teach himself geology, and when he was twenty-four, he went to work for the company that was excavating the Somerset Coal Canal in the south of England.
后来，他又自学了地质学；24岁的时候，他开始为那家挖掘英格兰南部的萨默塞特煤炭运河的公司工作。
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That twenty-one ceramic dog figurines were discovered during the excavating of a 1,000-year-old Hohokam village in Tempe, Arizona, has nearly doubled the number of these artifacts known to exist.