/traʊt; traut/
n (pl unchanged 复数不变)
1 (a) [C] any of various types of freshwater fish that are good to eat and fished for by anglers 鳟鱼.
(b) [U] flesh of such fish as food （供食用的）鳟鱼肉
*a piece of smoked trout 一块熏鳟鱼.
2 (idm 习语) an old trout => old.


冷、淡水域中多种猎用鱼和食用鱼，比常见的鲑鱼小

n
fin, gill
[Date: 1000-1100; Language: Late Latin;Origin: tructa type of fish with sharp teeth, from Greek, from trogein 'to bite']
pluraltrout [U and C]
a common river-fish, often used for food, or the flesh of this fish
old trout
BrE spoken an unpleasant or annoying old person, especially a woman


any of various game and food fishes of cool fresh waters mostly smaller than typical salmons