单词 | ascidium |
释义 | ascidium /ə-sidˈi-əm/noun (pl ascidˈia) (botany)A pitcher-shaped leaf or part of a leaf, such as the pitcher of the pitcher plants, the bladder of the bladderwort ORIGIN: Gr askidion, dimin of askos a leather bag, wineskin ascidˈian noun (zoology) A sea-squirt, or tunicate, a member of the Urochordata, a subphylum of the Chordata, shaped like a double-mouthed flask |
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