bi·cen·ten·ni·al /ˌbaɪ(ˌ)sɛnˈtɛniəl/
二百年的,每二百年的
Bi·cen·ten·ni·al, a.
1. Consisting of two hundred years.
2. Occurring every two hundred years.
Bi·cen·ten·ni·al, n. The two hundredth year or anniversary, or its celebration.
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bicentennial
adj : of or relating to or completing a period of 200 years;
"bicentennial celebration" [syn: bicentenary]
n : the 200th anniversary (or the celebration of it) [syn: bicentenary]