water-pistol

例句：

1. 1. The kids were playing with their water pistols in the park.
   孩子们在公园里用水枪玩耍。
2. 2. He was so excited that he couldn't wait to try out his new water pistol.
   他非常兴奋，迫不及待想试试他的新水枪。
3. 3.During the summer camp, they had a water pistol competition.
   夏令营期间，他们进行了水枪比赛。