The Semirara coalfields formed from 12-23 million years ago along what was then a coastal plain-similar to the current geologic environment of the southeastern Gulf coast of the United States.
塞米拉拉煤矿形成于一亿两千万至两亿三千万年前，那时的塞米拉拉煤矿是一片沿海平原，就如同现在美国东南部的墨西哥湾的地质环境一样。
Set on a ledge overlooking the coastal plain of the Gulf of Mexico, Palenque recedes into the dense tropical forest of the foothills of the Tumbala mountains of Chiapas, Mexico.
站在岩崖上，俯瞰墨西哥湾的海滨平原，只见帕伦克逐渐隐没在墨西哥契亚帕斯省汤布拉山麓浓密的热带森林中。
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