retaining
adj. 留住的;定位的;使固定的
v. 保留(retain 的 ing 形式)
例句
After the islands separated, the isolated lizard populations would have become distinct species while also retaining their ancestors' niche adaptations.
岛屿分离后,孤立的蜥蜴种群将成为独特的物种,同时也保留了它们祖先的生态适应能力。