Furthermore, the designs were covered with "desert varnish", a glaze that develops on rock surfaces over thousands of years of exposure to the elements.

此外，这些设计还覆盖有“沙漠清漆”，一种在岩石表面经过数千年在这些元素暴露下而形成的釉料。

youdao

As I said before, you can find rock art all over the world, but I'd like to focus now on the rock art of the Aboriginal people of Australia.

就像我之前说的，世界各地都有岩石艺术，但是我现在想要关注的是澳大利亚土著人的岩石艺术。

youdao

youdao

"An exuberant on-field general with a signature smile who was known for clutch hitting and rock-solid defense over 19 seasons, " reads his Hall plaque.

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Then, even before Dole hip-hopped over to the rock-'n'-roll museum, I heard on CBC radio about bowling with frozen chickens in Wellington, New Zealand.

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You all but drooled over the rock-solid picture.

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