Glass, which has been made since the time of the Mesopotamians and Egyptians, is little more than a mixture of sand, soda ash and lime.

自从美索不达米亚和埃及时代以来，玻璃就已经被制造出来了，它只不过是沙子、苏打灰和石灰的混合物。

youdao

Buffington says he found a soda bottle half buried in the sand that looked like it had been there since the beginning of time.

布芬顿说，他发现了一个半埋在沙子里的汽水瓶，看起来好像从一开始它就在那里。

youdao

Buffington says he found a soda bottle half buried in the sand that "looked like it had been there since the beginning of time."

布芬顿说，他发现了一个半埋在沙子里的汽水瓶，“看起来就像是从一开始就在那里一样。”

youdao

Gypsum sand is being made all the time.

VOA: special.2010.01.04

We were fortunate because the shells hit the sand all the time.

BBC: Tales from the frontline

Once upon a time, sand-greens courses reigned supreme, at least numerically, across parts of the Midwest and the north central U.S. They were common elsewhere, too.

WSJ: Sand-Greens Golf: A Game Lives On in the Great Plains

Composed of sedimentary rock (successive layers of coral, shells, sand, and other materials hardened over time), exploring Coral Castle is like wandering among a man's hopes which have been encrusted with disappointment.

BBC: The mystery of Florida��s Coral Castle