来回: to make a round trip, return journey, back and forth, to and fro, repeatedly...
国务院: State Council (PRC), State Department (USA)...
壮丽: magnificence, magnificent, majestic, glorious...
关系: relation, relationship, to concern, to affect, to have to do with, guanxi...
科学: science, scientific knowledge, scientific, rational...
爸爸: (informal) father...
一丝不苟: not one thread loose (idiom); strictly according to the rules, meticulous, not one hair out of place...
