A tipping point was reached in 2020 when human-made materials — such as steel, concrete and plastic — were found to weigh more than all life on Earth.

2020 ，当人们发现钢筋、混凝土和塑料等人造材料重量超过地球上所有生命重量时，这种弱化就达到了一个临界点。

Reinforcing concrete with steel rods called rebars is the basis of modern construction.

钢筋混凝土是现代建筑基础。

We use reinforced concrete to have that flexibility that also absorbs movement.

我们使用钢筋混凝土来获得这种弹性，同时也能承受楼体摆动。

We look at the possibilities of building with wood and other materials we can grow – bamboo, hemp, flax… and how we can use them intelligently as replacements for steel and concrete in the world that we create around us.

我们研究了使用木材和其他可以种植材料（竹子、大麻、亚麻等）建造建筑可能性，以及如何巧妙地使用它们来替代我们周围世界中钢筋混凝土。

The towers are built on immense underwater platforms made of steel and concrete.

塔身建在巨大水下钢筋混凝土平台上。

The new castings are, as was hoped, both stronger and lighter than steel-reinforced concrete.

正如所希望那样，新铸件比钢筋混凝土更坚固，也更轻。

The concrete and steel arch will eventually cover the remains of the reactor.

这个钢筋混凝土拱门最终将屏蔽剩余反应堆。

A tangled mass of steel and concrete where rescuers continued searching all day Saturday.

救援者在扭曲钢筋和混凝土里持续搜救了一整个周六。

And in Montpelier, France, it's taken fewer than 12 years for urban weeds to start producing a larger proportion of heavy seeds, boosting their odds of settling in a patch of nearby soil instead of crash-landing on concrete.

而在法国蒙特利埃，在不到 12 时间里城市杂草就开始播撒大量重量更重种子，以提高它们在附近土壤中生会，而不至于飘落到钢筋混凝土路上。

Ah, yes. Now that has a three-level reinforced concrete basement.

对，是了，该建筑现在有了三层钢筋混凝土地下室。

But that didn't stop the liquidators from constructing the sarcophagus — a giant concrete and steel tomb to lock away the most dangerous place in the world forever.

但这并没有阻止清理者建造石棺——一个巨大钢筋混凝土结构，将世界上最危险地方永远锁住。

They help provide quiet, green reprieves from the pressures of the concrete jungle, calm oases of knowledge and soothing spots for self-reflection to recharge the mind and body.

对许多人来说，书店仍是城市中不可或缺一道亮丽风景线。书店能为生活在钢筋混凝土森林压力中人们提供一丝安静喘息之，是一座座平静知识绿洲，抚慰着自我沉思心灵，为身心重注活力。

It's almost all concrete.You're going to be in the box.This 84 square feet of room mostly likely for the rest of your life.

这里几乎全部是钢筋混凝土建筑。你会在一个笼子里。你余生将会在这84平方英尺空间里度过。

Right now it's still being built – get a load of those Android logos running up its reinforced concrete core.

这栋建筑目前仍处于施工阶段，很多安卓标志也被投放在钢筋混凝土上。

They're made of crisscrossing layers of minerals and collagen-- fibers made of protein that strengthen bone the way steel rods reinforce concrete.

它们是由矿物质和胶原蛋白构成交错网层，而胶原蛋白是一种蛋白质纤维，它能像钢筋强化混凝土一样强化骨质。

They built a web of steel and concrete to hold the mountain together, and maybe, just maybe, keep the station standing.

他们建造了一个钢筋混凝土网络，希望重新把山体连接在一起，或许，只是有可能，保持气象站稳定。

This morning, specialist rescue workers pull out another body from the rubble of shattered concrete and the tangle of steel.

今天早上，救援人员在钢筋混凝土中又发现一具尸体。

And when compared in similar quantities, neither CLT or glulam is as strong as steel or concrete.

而在类似数量比较中，CLT 或胶合木都没有钢筋或混凝土那么坚固。

A good example of this is plywood, the first new material in construction since the invention of reinforced concrete 100 years ago.

一个很好例子是胶合板，这是自100前发明钢筋混凝土以来建筑中第一个新材料。

A gigantic concrete and steel fortress built around the destroyed reactor.

一个巨大钢筋混凝土堡垒建在被摧毁反应堆周围。