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单词 smolt
释义

Definition of smolt in English:

smolt

noun sməʊltsmoʊlt
  • A young salmon (or trout) after the parr stage, when it becomes silvery and migrates to the sea for the first time.

    (初离淡水入海的银色)幼鲑(或鲑鳟)鱼

    Example sentencesExamples
    • One or two years later, the smolts begin to migrate to the Pacific, where they live for one to three years before returning to the river.
    • While in freshwater, Chinook Salmon fry and smolts feed on plankton and then terrestrial and aquatic insects, amphipods and crustaceans.
    • During our 1996 investigations, we found evidence of predation on a salmon smolt by striped bass, and we utilized available ultrasonic tags to monitor the movements of striped bass.
    • Perhaps only 50 reach the ocean as smolts - young salmon that have taken on the characteristic silvery color - about two years later.
    • Young fish were also reared in hatchery tanks and released as smolts, the stage at which salmon head to sea before traveling to northerly feeding grounds.

Origin

Late Middle English (originally Scots and northern English): of unknown origin; compare with smelt3.

Rhymes

bolt, colt, dolt, holt, jolt, moult (US molt), poult, volt

Definition of smolt in US English:

smolt

nounsmoʊltsmōlt
  • A young salmon (or trout) after the parr stage, when it becomes silvery and migrates to the sea for the first time.

    (初离淡水入海的银色)幼鲑(或鲑鳟)鱼

    Example sentencesExamples
    • One or two years later, the smolts begin to migrate to the Pacific, where they live for one to three years before returning to the river.
    • Perhaps only 50 reach the ocean as smolts - young salmon that have taken on the characteristic silvery color - about two years later.
    • While in freshwater, Chinook Salmon fry and smolts feed on plankton and then terrestrial and aquatic insects, amphipods and crustaceans.
    • Young fish were also reared in hatchery tanks and released as smolts, the stage at which salmon head to sea before traveling to northerly feeding grounds.
    • During our 1996 investigations, we found evidence of predation on a salmon smolt by striped bass, and we utilized available ultrasonic tags to monitor the movements of striped bass.

Origin

Late Middle English (originally Scots and northern English): of unknown origin; compare with smelt.

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更新时间:2024/12/26 13:40:12