mastication
n. 咀嚼；粉碎
例句
Poor digestion can be caused by defective mastication of the food in the mouth.
消化不良可能是因为嘴里的食物没有完全嚼碎而引起的。
《柯林斯英汉双解大词典》
We frequently after the dream wakes, in mastication deep disappointed.
我们常常在南柯一梦之后醒来，在咀嚼中深深失望。
Objective: To study the effect of unilateral chew on mastication muscles.
目的研究偏侧咀嚼对大鼠咀嚼肌的影响。
