久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

他們發(fā)掘出一座埋在地下的古城.They excavated an ancient buried city.化石搜集者們發(fā)掘出了一具大象骨骼，據(jù)信距今已有50萬年。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發(fā)掘出很多東西.Many things left by the ancient Eg...