"Severe deformation" 可以用英文表示为 "severe distortion" 或 "severe malformation"。
其来源为 "deform" 与 "malform" 这两个词，都有 "变形" 的意思。"Severe" 则是形容词，表示 "严重的"。
例句：
The building suffered severe deformation due to the earthquake.
(这栋建筑由于地震遭受了严重变形。)
The baby was born with a severe malformation of the spine.
(这个婴儿出生时脊柱有严重变形。)
The metal became severely distorted after being heated to high temperatures.
(这种金属在加热到高温后变形严重。)