PUP

例句：

1. 1. The puppy is playing with its owner's ball.
   小狗正在和它的主人玩球。
2. 2. Kittens are cute and playful.
   小猫很可爱，也很活泼。
3. 3. Puppy training is essential for a well-behaved dog.
   对小狗进行训练对于一只好狗来说非常重要。