aplacophora /,eiplə'sɔfərə/ 📖 中文释义 n. 无板纲 📘 English Definition(英文释义) n. pl. A division of Amphineura in which the body isnaked or covered with slender spines or setae, but is without shellyplates. ← Aplacentalia A 字母词表 aplanasia →