Ephemeropteran
n. =ephemerid
✅ 同义词
🗣️ 情景例句
It's a piece of cake.
这是小菜一碟。
How much does she eat?
她要吃多少？
that is something like 6,000,000 spiders of different kinds on a football pitch.
这就是说，在一个足球场上约有600万只不同种类的蜘蛛。