vestigial 核心词议：
adj. 退化的；残余的；发育不全的
vestigial 基本解释
速记方法知识扩展
vestigial 变化形式
易混淆的单词： Vestigial
中文词源：
vestigial
精选例句
1、 It is often possible to see the vestigial remains of rear limbs on some snakes.
在某些蛇身上常可看到退化后肢的痕迹。
常见考点例句：
- An ostrich has vestigial wings .
- 鸵鸟长有退化了的翅膀。
- Its hand showed a vestigial first finger and robust second and third fingers .
- 它的前爪有着退化的食指，健壮的第二和第三趾。
- In fact , the vestigial atmosphere is still slowly dissipating into space .
- 事实上，残余的大气层仍在缓慢地消散于太空中。
- In their view , tyrannosaurusarms were vestigial organs , like the blind eyes of cave-dwelling fish .
- 在他们看来，霸王龙的前肢是退化的遗留物，就像穴居鱼类的盲眼。
- Any of several chiefly tropical constrictors with vestigial hind limbs .
- 后肢退化的几种主要是产于热带的蟒蛇。