1. 沙躅：lugubrious 可怜的 | lugworm 沙躅 | lukewarm 冷淡的

2. 沙蚕：lower Paleolithic 旧石器时代早期 | lugworm 沙蚕 | lumbar vertebra 腰椎

3. 饵蚕：卢加鱼目(化石) LUGANOIIFORMES | 饵蚕 lugworm | 腰膨部 lumbar enlargement

noun

1. marine worms having a row of tufted gills along each side of the back
often used for fishing bait

Synonym: luglobworm