/ˌbaɪsenˈti:nəri ||; baɪˈsɛntəˌnɛrɪ/noun [C] (
plural bicentenaries) (
US 美
bicentennial /ˌbaɪsenˈteniəl
||; ˌbaɪsɛnˈtɛnɪəl/) the day or the year two hundred years after sth happened or began 二百周年；二百周年纪念:
the bicentenary of the French Revolution 法国大革命二百周年纪念