1 . The museum did a really good job of showing how America was built by immigrants from different countries and cultures. （英译汉）

2 . In the afternoon, I headed to a local museum that showed the historical changes in California.(英译汉)

3 . 在博物馆,游客不被允许拍照。(permit) (汉译英）

4 . 这个博物馆是为了纪念那位著名的科学家而建立的。(memory) (汉译英）