gas tip

例句：

1. 1. The gas tip is used to blow up balloons.
   气体喷射器用来吹爆气球。
2. 2. Gas tips are a common sight in many parks and playgrounds.
   在许多公园和游乐场，气体喷射器很常见。
3. 3. The gas tip was the only way to reach the top of the mountain.
   气体喷射器是到达山顶的唯一方式。