nozzle flapper

例句：

1. 1.The printer has a small nozzle that sprays ink onto the paper.
   打印机有一个小喷嘴，将墨水喷洒到纸上。
2. 2.The gardener used a hose to clean the nozzle on the sprinkler system.
   园丁用水管清洁洒水系统的喷嘴。
3. 3. The nozzle of the spray bottle is very fine and can be easily blocked by dirt.
   喷雾瓶的喷嘴非常细，很容易被污垢堵塞。