1、Chewing gum can act as a ptyalagogue, prompting increased saliva production.
嚼口香糖可以起到促进唾液分泌的作用，导致唾液分泌增加。

2、Some medications prescribed for dry mouth act as ptyalagogues to stimulate saliva flow.
一些用于治疗口干的药物起到促进唾液分泌的作用，以刺激唾液流动。