Ephemerida
n. [昆] 蜉蝣目（等于Ephemeroptera）
🗣️ 情景例句
Oh, here. On the ground floor we have the reception area ...
噢 看这个。在楼下 我们会有一个接待区……
To fly
飞
The undulating waves of the open sea are generated by three natural causes:
海浪是由三个自然因素形成的：