pee

例句：

1. 1. I need to pee after eating a lot of food.
   我需要小便，吃了很多东西。
2. 2. The baby is learning to pee on his own.
   宝宝正在学习自己小便。
3. 3. She urinated in the toilet before leaving the room.
   她离开房间前在厕所小便了。