In truth, water is hardly ever a catalyst in ordinary conditions.
而事实上,水在正常条件下从来也不是什么催化剂。
The minuscule pores keep the thinly spread catalyst in place and create the large surface area needed to break down the fuel effectively.
这些极小的小孔使分布稀薄的催化剂保持在原位上,并且能留出有效分解这种燃料所需的尽量大的表面积。
War is a catalyst to help them to choose.
战争是一副催化剂来帮助他们选择。
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