There's a biological reason we say spicy food is hot: The chemical that gives peppers their punch targets the same nerve-cell receptors as high temperatures.
我们通常说辛辣食物是热的，一般是生理原因引起的：辛辣粉中所含有的化学物质作用人体的某个部位，这是神经细胞接受高温信号的地方。
The basic mechanics performance of solar cell was tested by small punch method, and elastic modulus and ultimate strength was obtained.
采用小型冲压实验方法对太阳电池片的基本力学性能进行测试，获得太阳电池片的弹性模量和断裂强度等参数；
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