他们发掘出一座埋在地下的古城.They excavated an ancient buried city.化石搜集者们发掘出了一具大象骨骼，据信距今已有50万年。Fossil hunters have unearthed the bones of an elephant believed to be 500,000 years old.在古埃及的古陵墓中发掘出很多东西.Many things left by the ancient Eg...