early 15c., from Old French masticacion and directly from Latin masticationem (nominative masticatio), noun of action from masticare "to chew" (source of Old French maschier, French mâcher), probably from a Greek source related to mastikhan "to gnash the teeth," from PIE *mendh- "to chew" (see mandible).
权威例句
1. Poor digestion can be caused by defective mastication of the food in the mouth.
消化不良可能是由于嘴里的食物没有充分咀嚼的缘故。
2. Regular like spike wave and poly spike wave were found in mastication.
在咀嚼时可见有规律性类似棘波、多棘波.
3. Mastication is one of the most important fundamental oral functions.
咀嚼是口腔重要的生理功能之一.
4. There is occasional, transient, nondescript pain, or sensibility during mastication.
咀嚼时,有偶发的 、 暂时的 、 不可言状的疼痛或敏感.
5. The roles of activated brain regions in mastication still elucidated.