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
We can learn a lot by asking.
我们到处问问会学到不少东西。
I want to buy some traveller's checks.
我想买些旅行支票。
It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.