undertail
发音
US
词形变化
undertails
复数
undertails
释义与例句
n.
-
1.
The ventral part of the tail of a bird.
生物 动物学 -
2.
The underside of a tail.
adj.
-
1.
Beneath a tail.
-
2.
On the underside of the tail.
词源
From under- + tail.
来源：wiktionary