Now a canal lock works the same way with large boats as the bathtub with small boats.

船闸和大船之间的关系就像浴缸和小船之间的关系一样。

The design called for five of these so-called canal locks— three on the Atlantic side and two on the Pacific, raising traversing ships 26 meters above sea level.

该设计需要五个所谓的运河船闸——三个在大西洋一侧，两个在太平洋一侧，将横渡的船只抬高到海平面以上 26 米。