My colleagues, comparing composition of chemical elements in different galactic stars actually discovered alien stars in our galaxy.
我的同事比较化学元素组成，在不同星系恒星中，确实发现了银河系中有外来恒星。
2
Men accustomed to struggling for survival against the elements and Indians were bewildered by politicians, bankers and businessmen, and unhorsed by fences, laws and alien taboos.
Men accustomed to struggling for survival against the elements and Indian were bewildered by politicians, bankers and business-men, and unhorsed by fences, laws and alien taboos.