地质代 geologic age
- 岩层中的记录对此几乎没有帮助,因为地质研究中眨眼功夫就代表了好多代人类的寿命。
The record in the rock sis little help, since a geological eye blink represents many human lifetimes. - 经历了数代地质期,上层岩石逐渐增大的压力改变了无机矿物层的构成,最终形成了煤。
Over geologic time, increased pressure from the overlying rocks changed the layers of organic material into coal. - 在很久很久前,在漫长地质历史代,大自然的无穷力,塑造了黄山那绝美的风采和种种奇特的景观,令人倾倒,令人心醉。
In a long, long time ago, in a long geological history, nature's infinite force, shaped Huangshan the exquisite elegance and all sorts of exotic landscapes, stunning, is enchanted.
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