The first man to walk on the moon was Neil Armstrong.
第一个在月球上行走的人是阿姆斯壮.
The first man to orbit the earth was Yuri Gagarin.
第一个绕地球飞行的人是加加林.
The first man to break the sound barrier was Charles Elwood "Chuck" Yeager.
第一个突破音障的人是伊格尔.
The first man to reach the south pole was Norwegian explorer Roald Amundsen.
第一位到过南极的是挪威探险家阿曼德森.
The first man to dive the deepest in the ocean was Trieste.
第一位下潜大洋最深的人是Trieste.
我想楼主要的是这些之最吧