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单词 polychaeta
释义 poly·chae·ta
\ˌ ̷ ̷ ̷ ̷ˈkēd.ə\ noun plural
Usage: capitalized
Etymology: New Latin, from Greek polychaitēs with much hair, from poly- much (from polys much, many) + chaitē long flowing hair — more at poly- chaeta
: a class of Annelida or in former classifications an order of Chaetopoda that comprises chiefly marine annelid worms usually having paired setate appendages on most segments, a differentiated head with eyes, tactile processes and bristles, and chitinous jaws and being distinguished from the related oligochaete worms by possession of separate sexes and by a complex life history with a free-swimming trochophore larva — see errantia, sedentaria
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更新时间:2024/12/24 21:50:20