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zēngjīng jièshào ，wèijué hé jǔjué gōngnéng jiǎntuì 、wèi cháng rúdòng jiǎnmàn 、xiāohuàyè fēnmì jiǎnshǎo ，zhèxiē dōu huì yǐngxiǎng lǎoniánrén de shíyù hé xiāohuà xīshōu nénglì ；kōngcháo zhuàngtài 、dújū lǎorén kěnéng huì yǐnshí shàng gèngwéi jiǎndān suíyì 。zhèxiē dōu huì dǎozhì lǎoniánrén yǐnshí yíngyǎng shèrù bù jūnhéng ，zuìzhōng yǐngxiǎng jiànkāng 。

Zeng Jing explains reduction of taste and chewing function, gastrointestinal motility slowed down, and decreased digestive juice secretion, which all affected the appetite and digestion and absorption capacity of the elderly; empty nest state, elderly people living alone may be more simple and casual. These will lead to an imbalance in the nutritional intake of the elderly and ultimately affect their health.

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也行。不过，吃饭的时候不要把嘴巴张得很大。还有，咀嚼食物的时候不要发出很恶心的吧唧吧唧的声音，那样会显得很没教养。

yě xíng 。bùguò ，chīfàn de shíhou bù yào bǎ zuǐbā zhāng de hěn dà 。háiyǒu ，jǔjué shíwù de shíhou bù yào fāchū hěn ěxīn de bājībājī de shēngyīn ，nàyàng huì xiǎnde hěn méi jiàoyǎng 。

That'll work. However, when you eat you shouldn't open your mouth too wide. Also, when you chew your food you shouldn't make really disgusting chewing and chomping noises; it makes you look like you weren't raised well.

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