The merciless screeching of twisting metal.

金属板无情地嘶叫扭曲。

The enormous object then fell through the levels of scaffolding, breaking and twisting metal in a horrible symphony of destruction.

这个巨物砸穿一层又一层的脚手架，令金属断裂和扭曲，奏起了一曲可怕的破坏交响乐。