洁白的身体用英语可以翻译为 "a pristine body"。该短语来源于拉丁语的 "pristinus"，意为 "纯洁的"。
例句：
She had a pristine body, free from blemishes or imperfections. 她拥有一个洁白的身体，没有瑕疵或缺陷。
The snow-capped mountains were a pristine environment, untouched by human hands. 雪峰覆盖的山脉是一个洁白的环境，没有被人类手指触及。
He maintained a pristine reputation, never engaging in scandal or wrongdoing. 他维护着一个洁白的名声，从不从事丑闻或不法行为。