multivalve
(a.)多瓣的
Mul·ti·valve n. Zool. Any mollusk which has a shell composed of more than two pieces.
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Mul·ti·valve Mul·ti·val·vu·lar a.
1. Having many valves.
2. Zool. Many-valved; having more than two valves; -- said of certain shells, as the chitons.
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