minnow

名词 minnow:

1. very small European freshwater fish common in gravelly streams
   同义词：Phoxinus phoxinus

1. These criminals arrested by the police are only minnows, their leader has escaped.
   这些被警察抓住的犯罪分子只是些小鱼，他们的头子却跑掉了。

min.now

n.（名词）
【复数】 minnow 或 min.nows
Any of a large group of small, freshwater fishes of the family Cyprinidae, widely used as live bait.
米诺鱼：鲤科中大量小淡水鱼，被广泛用作活饵
Any of various other small, often silver-colored fishes.
银色小鱼：其它任何小的常为银色的小鱼

来源：
Middle English meneu * see men- 4
中古英语 meneu *参见 men- 4