Quadriennial
a. 继续四年的, 每四年一次的
🗣️ 情景例句
It's a nap. Tomorrow morning at ten o'clock.
简单得很。明早十点。
Do you know Mary?
你认识玛丽吗？
Oh, look! said Ann. What's that? She pointed at one of the things.
“看啊！”安说，“那是什么？”她指着一件展品问。