Ephemerida
n. [昆] 蜉蝣目（等于Ephemeroptera）
🗣️ 情景例句
The apartment is spacious, bright and clean.
这个公寓宽敞、明亮、干净。
Will you please fill the bath?
请你替我的浴缸放满水。
But I was extremely pleased with myself.
但我却非常高兴，