Both the sealed curing and the fog curing can reduce early age shrinkage of concrete, but the initial curing age must be emphasized.

密封养护和喷雾养护均能减小混凝土的早期收缩，但必须要强调养护的“及时性”。

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Ben holds dear an ambitious goal to retire at the age of 55, but there is nothing concrete that he does in order to succeed.

班有个远大的目标就是要在55岁的时候退休，但是他却没有因为这个目标而做到任何具体的计划。

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A mathematic model is set up by probabilistic method for analyzing concrete crack in early age, which is tested by the observation results of a concrete retaining wall case.

利用概率的方法，建立分析早龄期混凝土开裂的数学模型，并利用一实际的混凝土挡土墙工程观测结果进行验证。

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At around the age of 8, Akon left the "jungle" of Senegal for the "concrete jungle" of New Jersey.

CNN: Akon: Why I'm a changed man

With age, such concrete becomes brittle and is easily shaken loose by the vibration of a train racing past at 250kph (155mph).

ECONOMIST: The land of disappointments

Many of the vast concrete and neon bingo halls on High Streets across the country may now be showing their age, but millions still visit them every year.

BBC: Online bingo: A very full house