基本解释
拼音：yōu sh è ng lè tài
解释：优：优良；汰：淘汰。指生物在生存竞争中适应力强的保存下来，适应力差的被淘汰。
单字解释：
优
胜
劣
汰
英语解释
Excellent: excellent; Elimination: elimination. It refers to the survival of organisms with strong adaptability in the survival competition, and the ones with poor adaptability are eliminated.
