释义 |
Definition of caddis in English: caddis(also caddis fly) noun ˈkadɪs A small mothlike insect with an aquatic larva that typically builds a protective portable case of sticks, stones, and other particles. 毛翅目幼虫 Order Trichoptera: several families Example sentencesExamples - The key to the transformation is that the oxygen has increased the number of invertebrate the fish feed on from about five to 30 including freshwater shrimp, water louse and a caddis which only thrives in pristine waters.
- Every day the sun sets behind blurred clouds of stonefly, caddis, midge or mayfly dancing against the horizon.
- The children's trays began to fill with mayfly nymphs, aquatic sow bugs, and the larvae of blackflies, caddis flies, and bloodred midges.
- It included specimens of fourteen insect orders, with major holdings of New Zealand moths, butterflies, beetles, stoners, caddis and bugs.
- Once you've collected a hundred or so caddises then you've got enough to go fishing with - and you can often get ten caddis grubs off a single stone.
OriginMid 17th century: of unknown origin. |