Complex sentence: She is a veteran pilot with 1,680 hours of flying experience and, after two years of astronaut training, excelled in testing before being selected with another woman, Wang Yaping, as a candidate for the astronaut corps.
Split into simpler sentences: She is a veteran pilot with 1,680 hours of flying experience. After two years of astronaut training, Liu excelled in testing before being selected with another woman, Wang Yaping, as a candidate for the astronaut corps.