overshots

Water from the hillside stream turns the overshot, which drives the heavy stones that grind the grain.

山坡上的溪水驱动着那台上击式水轮，它带动沉重的磨石来磨谷物。

用法提示：overshot 在此作名词，指上击式水轮，即靠从上方落下的水流冲击而转动的轮子。

An overshot is more efficient than an undershot wheel because the water falls onto it from above.

上击式水轮比下击式水轮效率更高，因为水是从上方落到轮子上的。

用法提示：overshot 为名词，指上击式水轮，句中用它来对比另一种水轮。

In the nineteenth century, most overshots in this region were replaced by steam engines.

十九世纪时，这一地区的大多数上击式水轮都被蒸汽机取代了。

用法提示：overshots 是名词 overshot 的复数形式，泛指多台上击式水轮。