Tip sag refers to when the tip of one's pizza slice droops down.

披萨尖儿指一片披萨顶端馅料掉下的地方。

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The Agriculture Department wanted to cut back on French fries, reduce sodium, increase fruits and vegetables and require a half cup of tomato paste for a pizza slice to get a vegetable credit.

农业部想要减少薯条，降低钠含量，增加水果和蔬菜，还要求每片披萨需含有半杯番茄酱方可满足蔬菜标准。

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He dropped his cell phone while he was trying to talk and eat a slice of pepperoni pizza.

他边吃着一片意大利辣香肠披萨边打电话时，手机掉在地上了。

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Is it okay if I eat the last slice of pizza?

我把最后一片披萨吃掉没问题吧？

Is it okay 课堂 - SpeakingMax英语口语达人

People who had not seen anyone else's pizza slice and those who had been given what appeared to be a small slice of pizza went on to eat the same amount of cookies.

ECONOMIST: One reason dieting does not work

While some midpriced slice providers seem to be flourishing in other boroughs, Manhattan pizzerias "are under siege, " said Adam Kuban, founder of the pizza blog Slice.

WSJ: Economics, Sliced

But Mr. Riggio said dollar-slice pizza presented less of a threat to the classic slice than rising rents.

WSJ: Economics, Sliced