vestigial

the vestigial wings of kiwis are entirely hidden.

维鸟退化了翅膀已完全看不见。

he felt a vestigial flicker of anger from last night.

对昨晚事他还有一丝恼火。

Any of several small, slow-moving, nocturnal prosimian primates of the genera Loris and Nycticebus of tropical Asia, having dense woolly fur, large eyes, and a vestigial tail.

狐猴科；懒猴科；指猴科；大狐猴科；在某些分类中，替代猴亚目；在另外一些分类中，被认为是猴亚目一个亚部。