Ephemeroptera
n. 蜉蝣，蜉蝣目
🗣️ 情景例句
I doubt it, sir. We'll try, but I can't promise anybody before 3:30.
我没把握，先生。我们会尽早的，但我不敢许诺3：30以前行。
Oh, no! I've missed my plane.
糟糕，我错过了我订的航班。
Certainly!said her mother.
“当然可以！”她妈妈说。