Quadriennial
a. 继续四年的, 每四年一次的
🗣️ 情景例句
Maybe the real owners will come to claim her.
也许狗的主人会来认领她的。
Will you do me a favor?
你帮我一个忙好吗？
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。