Chewing on a piece or two of gum, it seems, helps force fluids back into the stomach and flood the esophagus with alkaline saliva, neutralizing acids that cause the characteristic burning sensations.
嚼一两片口香糖可能会使胃液回流入胃并使口腔分泌碱性唾液冲刷食道，中和胃酸，缓解由胃酸引起的“烧灼感”。
Jaw muscles can provide about 200 pounds of force to bring the back teeth together for chewing.
颚肌可提供约200磅(90.72公斤)的力量，以便臼齿合拢咀嚼。
Food impaction is the phenomenon appearing in the chewing course when the food dregs or fibers are pushed into the clearance by occlusal force or owning to the gingival shrinkage.
在咀嚼过程中，由于咬合压力的作用或牙龈退缩导致食物碎块或纤维楔入相邻牙的牙间隙内的现象，称为食物嵌塞。
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