This is suggested by observation of pristine coral reefs in the middle of the pacific .
这是在观察太平洋中部的原始珊瑚礁的报告中提出的。
Much of the island remains undeveloped and has miles of pristine beaches .
该岛拥有数英里的原始海滨,大部分地区还没有开发。
Shadows on snow reflect the light that falls upon them , and on this pristine clear day , a distinctive blue shadow is quite evident .
它们在雪地上所留下的阴影反射了照在树干上的光线,在那质朴清晰的晴天里,鲜明蓝色的阴影是非常明显的。
Scientists know this because there 's a pristine record nearby : on the surface of the moon .
科学家们之所以知道这一点,是因为附近有原始记录在月球表面。
Pristine and eager and brilliant they no doubt are , but while they are finding their way around something unexplained and slightly perplexing appears to happen .