burette float

例句：

1. 1.The burette float is a popular game for children to learn how to count and measure.
   弹球机是孩子们学习计数和测量的热门游戏。
2. 2. She spent hours playing with her burette float, improving her skills.
   她花了很多小时玩弹球机，提高她的技能。
3. 3. The burette float was a hit at the local fair, drawing many visitors.
   弹球机在当地博览会上非常受欢迎，吸引了许多参观者。