trip·tych /ˈtrɪp(ˌ)tɪk/
三張相聯,三幅一聯
Trip·tych n. Anything in three parts or leaves. Specifically: -- (a) A writing tablet in three parts, two of which fold over on the middle part.
(b) A picture or altarpiece in three compartments.
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triptych
n : art consisting of a painting or carving (especially an
altarpiece) on three panels (usually hinged together)