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hesperidium n.(pl. -dia ) 柑桔屬植物的果實〔如桔或檸檬...

hesperornis

A berry with a leathery rind in which the seeds are separated by segments , as in the citrus fruits , is called a hesperidium 具有革質外果皮,種子被若干小室分開的漿果如柑桔,叫做柑果。