Ephemerida
n. [昆] 蜉蝣目（等于Ephemeroptera）
🗣️ 情景例句
Have you talked to the community council?
你们跟社区的议会谈过了吗？
My brother wants to learn how to sail a boat.
我的兄弟要去学操纵帆船。
She instructed in her will that if that were to happen, all the money should go to an organization for helping the blind called Helping Hand.
于是她在遗嘱中指示如果此事发生，这笔钱应该全部捐献给一个名叫'援助之手'的盲人救济组织。