它像一台巨大的扫雪机一样冲下陡峭的山坡，卷走了树木、巨石和成吨的表土，将沿途的六个村庄彻底摧毁。
As it crashed down the steep mountainside like a gigantic snowplough, it swept up trees, boulders and tons of topsoil, and completely crushed and destroyed the six villages that lay in its path.
这种进展不是以直线形式逐步取得的，不是将巨石缓缓推上斜坡，而是以巨大飞跃和大跨步前进为特点的进展。
This is not linear step-by-step progress, the boulder gradually nudged up the slope, but progress characterized by huge leaps and bounds forward.
巨石阵无疑是5000年前的一项巨大的土木工程。
Stonehenge is believed to be a large earthwork constructed about 5000 years ago.
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