tricentenary
(a.)三百年的
Tri·cen·te·na·ry a. Including, or relating to, the interval of three hundred years; tercentenary. -- n. A period of three centuries, or three hundred years, also, the three-hundredth anniversary of any event; a tercentenary.
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tricentenary
adj : of or relating to or completing a period of 300 years [syn:
tricentennial]