Chew the food well before swallow it.

你吃东西要细嚼慢咽。

youdao

But, when you talk with others, don't chew the food in your mouth.

但是，当你跟别人，不要咀嚼食物在你的口。

youdao

"If you eat slowly and chew the food well, it is easier for your stomach to digest it, and you can have dessert," she said.

朋友说，“如果你细嚼慢咽，食物就能更好的被消化，然后你就可以吃甜点了。”

youdao

According to the journal Biological Reviews,most dinosaurs did not take the time to chew their food.

VOA: special.2010.06.04

By eliminating the need to chew, modern food processing techniques allow us to eat faster.

NPR: Excerpt: 'The End Of Overeating

"When we chew and swallow, volatile molecules from the food go through the rear of the nasal cavity to the olfactory receptors in the roof of the nose, " says Richard Doty, director of the University of Pennsylvania's Smell and Taste Center.

WSJ: How to Sharpen Your Sense of Smell

Even more incredible, he actually built a mechanical duck that could swim in the water, quack, and even take food, chew it, and excrete it!

FORBES: The World of Clockwork Robots