单词	spineless
释义	spine·less (spīnlĭs) adj. 1. Lacking courage or willpower. 2. Biology a. Having no spines. b. Lacking a spinal column; invertebrate. spineless·ly adv. spineless·ness n.
随便看	axon axonal axone axonemal axoneme axonometric axoplasm axoplasmic Axum Axum ay ay ay ay ay aya ayah ayahuasca ayat ayatollah aye aye aye-aye Ayers Rock Ayesha

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