Ephemerida
n. [昆] 蜉蝣目（等于Ephemeroptera）
🗣️ 情景例句
Would you like to join me for lunch?
跟我一起吃午餐吗？
Is that a book?
那是一本书吗？
Here are some more Waiter-and- Customer jokes.
这里有一些“服务员与顾客之间”的笑话。