中英双语百科
历史 · 每天一个冷知识
古罗马的水渠，
水怎么送进城？
一句英文 · 一句中文 · 学英语顺便涨知识
Driiiip词多多
Romans built long aqueducts to carry water.古罗马人修了长长的水渠来送水。
The channels went down a very slow slope.水道一路缓缓向下倾斜。
Water flowed by gravity, with no pumps.水靠重力自己流，不用水泵。
The aqueducts could cross deep valleys.水渠甚至能跨过深深的山谷。
Strong arches held them high in the air.坚固的拱券把它们高高架在空中。
Clean water ran into the city day and night.干净的水日夜流进城里。
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