公园里往往有水珠飞溅的喷泉，喷泉使公园变得更加美丽。让我们来做一个瓶中喷泉。1．所用材料圆珠笔芯一支，带软木塞玻璃瓶一个，玻璃杯一个。2．制作方法①把废圆珠笔芯上的铜头拔下来，然后用一根大头针，从铜头的尾部插人，用把把嵌在铜头尖端的小圆珠顶出，成为喷泉的喷 There are often fountains splashing in the park, fountains make the park more beautiful. Let’s make a fountain in a bottle. 1. The material used a ballpoint pen, with a cork glass bottle, a glass. 2. Production methods ① The waste ball-point copper core on the unplugged, and then use a pin, insert the tail from the copper head, with the tip embedded in the tip of a small ball out of the fountain to become a spray