Pirl
[计]= Pattern Information RetrievaL system,模式信息检索系统
🗣️ 情景例句
I can hardly keep my eyes open.
我简直睁不开眼睛了。
Then, all of a sudden, it became cloudy and began to rain.
可是突然天就变了，乌云密布并下起雨来。
I'm cleaning the house.
我在打扫房间。