Each new variety or species, during the progress of its formation, will gene rally press hardest on its nearest kindred, and tend to exterminate them.是什么意思_Each new variety or species, during the progress of its formation, will gene rally press hardest on its nearest kindred, and tend to exterminate them.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句