Unlike C#, you don’t have to use a virtual keyword on the original concrete method.

不过和C# 不一样的是，你不需要一个virtual （虚拟）关键字在原来的具体方法上。

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Limestone is regarded as the original concrete aggregate to prepare recycled aggregate.

利用石灰石作基体混凝土集料制备可循环集料。

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P an external non-bonded tendon is a tendon situated outside the original concrete section and is connected to the structure by anchorages and deviators only.

体外无粘性筋是指安置在原始混凝土结构外部，只能通过锚固和变向装置连接至结构上的钢筋。

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As well as bricking up the shattered walls, some of the agencies have added a new feature not envisaged by Kuito's original planners: an underground concrete bunker, reinforced against future possible attacks.

BBC: Mission impossible for UN in Kuito

Classes were held in the original buildings, several massive concrete units known collectively as the Cellblock, a bike ride or long walk away from the dorms, and the flow of students back and forth in tribal swarms seemed part of the architecture of the place.

NEWYORKER: Midnight in Dostoevsky

Among other things, the Tarantinos stripped paint from faded black concrete floors and tracked down their original red pigment.

WSJ: The Pleasures and Pitfalls of Frank Lloyd Wright Homes