Quadriennial
a. 继续四年的, 每四年一次的
🗣️ 情景例句
How is your language ability?
你的语言能力如何？
Nothing is given so freely as advice.
劝人最容易。
Meanwhile, his unit was lost and all records of him had been destroyed.
与此同时，他所在部队被击溃，他的所有档案材料全部毁于战火。