It is considered impolite in the U.S. to eat, drink or chew gum during class.

上课的时候吃零食、喝饮料或者嚼口香糖，这在美国被认为是不礼貌的行为。

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Don't smoke, chew gum, eat, or drink.

不要抽烟、嚼口香糖、或喝东西。

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Some children like to eat chewing gum, accidentally get on the carpet.

有些孩子喜欢吃口香糖，不小心会弄到地毯上。

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Freud uses it as an explanation for why somebody might eat too much or chew gum or smoke.

弗洛伊德用口腔期人格,来解释为什么会有人暴饮暴食,嚼口香糖或是抽烟。

耶鲁公开课 - 心理学导论课程节选

Would you eat that gum?

NPR: Philadelphia's Gum Tree Cut Down