Ephemerida
n. [昆] 蜉蝣目（等于Ephemeroptera）
🗣️ 情景例句
Please declare anything you're unsure of.
申请报告有你没太明确是否需要申报的东西。
The newsboy throws his papers in the wrong place.
报童把报纸投错了地方。
Though this caused great mirth among the guests, Aunt Harriet was horrified.
这件事引起了客人们的欢笑，但哈丽特却着实吓了一跳。