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单词 rhabd
释义

rhabd

/rabd/
Zoology
noun
A simple large sponge spicule in the form of a rod with two tapered ends (a diactine spicule). Also: (in more complex spicules) a main ray from which smaller rays diverge.

Origin

Late 19th century; earliest use found in The Century Dictionary. Alteration of rhabdus, probably after German Rhabd.

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更新时间:2024/11/13 9:15:57