ptyalagogue

例句：

1. 1. The thief used a ptyalagogue to tie up the door handles before he escaped.
   这个小偷用皮条把门把手绑起来后逃跑了。
2. 2.The scientist found that the material was ptyalagogue, which allowed it to stretch without breaking.
   科学家发现这种材料是皮条状的，它能够在不断裂的情况下拉伸。
3. 3. The old man used his ptyalagogue to guide his grandson through the woods safely.
   老人用他的皮条来引导他的孙子安全地穿过树林。