英:['wentltræp]
美:['wentlˌtræp]
英:['wentltræp]
美:['wentlˌtræp]
Dutch wenteltrap winding stair, from Middle Dutch wendeltrappe, from wendel turning + trappe stairs
The first known use of wentletrap was in 1758
1 腹足纲
drill bubble helmet olive turret slug auger mitre turban conch sundial tun abalone limpet winkle whelk drupe volute Triton cowrie murex nerite ollycrock Gastropoda Opisthobranchia Pulmonata Nudibranchia Prosobranchia sea lemon pelican's foot shell dove shell top shell pheasant shell spire shell keyhole limpet carrier shell horn shell worm shell cone shell sea butterfly spindle shell chink shell necklace shell dog whelk vase shell sea snail sea slug sea hare canoe shell slipper limpet tulip shell moon shell violet snail