bicentennial
adj
happening once in two hundred years; marking a bicentenary 二百年一次的; 二百周年纪念的
a bicentennial anniversary/celebration 二百周年纪念活动[庆典]. bicentennial, n = bicentenary.
🗣️ 情景例句
and a pitcher of lemonade.
和一壶柠檬汁。
Don't cast out the foul water till you bring in the clean.