Siphonaptera
[医] 蚤目
🗣️ 情景例句
He is in conference right now.
他现在在开会。
In good years corn is hay, in ill years straw is corn.
丰年五谷贱如草，荒年稻草贵如粮。
He built a glass wall through which he could watch what went on inside.
他建造一堵玻璃墙，透过玻璃墙他能够观察里面发生的事情。