Several soldiers mix cement on the street, lifting it up to their colleagues who use it as mortar, placing a concrete block on top of concrete block.

几名士兵在街道上混合水泥，举给同事们当砂浆用，累砌混凝土块。

youdao

A couple of soldiers mix cement on the street, lifting it up by a backhoe to their colleagues who use it as mortar, placing concrete block on top of concrete block.

几名士兵在街道上混合水泥，用锄铲机举升给同袍们用作砂浆，一层层地累砌混凝土砌块。

youdao

On top of this-literally-dr Currie and Dr Mapel have come up with another trick: placing a second sandwich of dye and glass over the first.

更绝的是居里博士和马佩尔博士搞的另一个把戏-字面上说：在第一个玻璃片上面放置第二个，这样上层的染料截取高能量的光，比如说紫外线。

youdao