barbel
n. 触须;有触须的鱼;触须白鱼之类
例句
The dragonfish has a long barbel attached to its chin.
海蛾鱼长有一根连接到它下巴的长触须。
Zoology A sensory or tactile organ, such as an antenna, a tentacle, or a barbel .
感觉或触觉器官,例如触角、触手或触须。