Definition
The phase of the tide when it recedes from the shore.
退潮
We should leave the beach when the ebb begins.
我們應該在退潮開始時離開海灘。
The fishermen used the ebb to mend their nets.
漁民利用退潮時修補他們的漁網。
During the ebb, the shoreline extends out hundreds of meters.
在退潮期間，海岸線向外延伸數百米。