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单词 triod
释义 triod Zool.|ˈtraɪɒd|
[ad. Gr. τρίοδος a place where three ways meet, f. τρι- tri- + ὁδός way.]
Name for a simple triradiate sponge-spicule, consisting of three rays inclined at angles of 120°.
1887Sollas in Encycl. Brit. XXII. 416/2 Fig. 12..c, triod (triaxon triactine).
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更新时间:2024/12/22 13:47:26