The regrowth and re-hardening makes the broken concrete strong again.

再生和再度硬化会使破损的水泥再次变得牢固起来。

youdao

Find a well-lit route, slow your pace, and make sure you're familiar with areas of broken concrete.

选择一条光线好的跑步路线，放慢速度，小心路面不平整的地方。

youdao

It is hot, humid and overcast, and the pavements are an assault course of broken concrete and exposed twisted steel.

天气湿热而阴沉，人行道上的水泥被压得支离破碎，弯曲的钢筋露在外面。

youdao

The broken concrete blocks are precariously placed and there are concerns for rescue workers as well.

BBC: Dhaka collapse: Rescue operation's search for survivors

Only the mosque and a handful of other buildings remained- amid a sea of broken concrete, splintered wood and twisted metal.

NPR: Indonesians Frustrated by Slow Rebuilding

In all, 88 vehicles have been located, both in the river and amid the broken concrete wreckage of the bridge, according to the State Patrol.

NPR: Officials Warn of Possible Flaw in Nation's Bridges