Digestion begins in the mouth with the action of saliva.
2
请研究连翘拟杆菌的表面粘附素,该粘附素与人唾液富含脯氨酸的蛋白质相互作用。
Please investigate the surface adhesins of Bacteroides forsythus which interact with human salivary proline-rich proteins.
3
比如,在条件作用形成之前,只是简单的存在着无条件刺激,即食物,以及无条件反应,即唾液。
Well, when Pavlov, for instance, started before conditioning there was simply an unconditioned stimulus, the food in the mouth, and an unconditioned response, saliva.