snail
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1.[~ cattle] mollusk with a spiral oblate hard shell and two pairs of antennae on its head. Eating young leaves is harmful to crops. Some kinds are edible.
2. [~ residence] refers to the narrow sense of residence.
3. [~ snail] A mollusk with a shell like a bamboo shoot, a long snail layer and a top shell, lives in the middle of a lake and a swamp.
4.[~] Mollusks, with pale tortoise shells and slightly upturned edges, live in lakes and streams. Also known as "snail".