| 单词 | caddis flies |
| 释义 | caddis1 /kadˈis/nounThe larva of the caddis fly, which lives in water in a caddˈis-case, a silken sheath covered with fragments of wood, stone, shell, leaves, etc, open at both ends (also caddˈis-worm) ORIGIN: Origin obscure caddis fly noun Any small mothlike insect of the order Trichoptera that lives near, and lays its eggs in, water |
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