半刚性基层材料的典型代表是二灰碎石。
The typical model of the semi-rigid material is.
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老板今天打灰领带，今天一定是星期二。
My boss is wearing his gray tie so today must be a Tuesday.
在周二晚上早些时候，太阳以127：113击败孟菲斯灰熊。
The Suns beat the Memphis Grizzlies 127-113 earlier Tuesday night.
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