| 单词 | caddis fly |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔caddis worm〕The aquatic, wormlike larva of the caddis fly, enclosed in a cylindrical case covered with grains of sand, fragments of shell, and other debris.石蚕：水生的，石蚕蛾的蠕虫状幼虫，包在被沙粒、卵壳碎片以及其它碎片盖住的柱形盒内美国传统〔fly〕Any of various other flying insects, such as the caddis fly.石蚕，蛾：例如石蛾等任何一种其他会飞的昆虫美国传统 |
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