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鲁迅从日本回到祖国后,1910年任绍兴府中学堂监学(教务长),兼任当时称为博物的生物课。有一次,鲁迅给低年级上生物课,讲授口腔这一节内容。他一进教室就在黑板上写下“细嚼缓咽”、“狼吞虎咽”八个大字。接着说,细嚼,就要善于利用不同牙齿的特点。门齿宽若刀,利于切断;犬齿锐如叉,善于撕裂,人吃肉,主要靠它;臼齿厚而陷,如磨似臼,捣细食
After returning to Japan from Japan, Lu Xun was Shaoxing Prefecture Middle School Supervisor (Provost) in 1910 and served as a biology class at the time called Museum. Once, Lu Xun gave the lower-level biology class, oral oral this section. He entered the classroom on the blackboard to write “chewing slowly”, “devouring” eight characters. Then said, chewing, we must be good at using the characteristics of different teeth. Prong width, if the knife, which will help cut off; canine sharp Rufu, good tear, people eat meat, mainly rely on it; molars thick and trapped, such as grinding like mortar, pound fine food