The pain is evident on factory floors and in empty restaurants and shops.

这痛苦明显地可以从工厂的车间和空空的饭店和商店看出来。

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METHODS: The experiments included diarrhea caused by Folium Sennae, pain caused by acetic acid, empty of mice stomach and inner pressure of rabbits' small intestine.

方法：番泻叶导致小鼠腹泻实验，冰醋酸导致小鼠疼痛实验，小鼠胃排空实验以及家兔离体小肠内压实验。

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A schoolboy went home with a pain in his stomach. "Well, sit down and eat your tea," said his mother. "your stomach's hurting because it's empty." It'll be all right when you've got something in it.

我的一个小男孩胃疼，他回家后，母亲告诉他：“坐下喝杯水，你是因为肚子饿了才会胃痛，当你肚子里有些东西就没事了。”

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And today, a people who once knew the pain of an empty stomach now feed those who hunger abroad.

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Riley suffers from gastroparesis, a nasty condition in which the stomach cannot empty itself, causing nausea, vomiting and pain.

FORBES: Medical Insurance

Humans, for example, may hold onto a hot plate that contains food whereas they may drop an empty plate, showing that we take into account differing motivational requirements when responding to pain.

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