0 When the sea or tide ebbs, it moves away from the coast and falls to a lower level. -- 落潮，退潮
1 If a physical or emotional feeling ebbs, it becomes less strong or disappears. -- 衰退；逐渐减少；衰竭
2 the tide when it is moving away from the coast -- 落潮，退潮
We'll sail on the ebb. 我们将在退潮时启航。
The flooding of beaches leads to hydration of particulate sands ; these then dry progressively on tidal ebb.
But this can also result from a tendency to overemphasize downbeats so that momentum ebbs.
The process is not strictly contingent upon tidal ebb and flow : circadian dews and rainfalls can produce identical cycling.
The ebb-directed current is generally the dominant current in these sandwave deposits.
In the continuing ebb and flow of economic history, they are once again of present interest.
There was a substantial ebb and flow of numbers of occupiers on most properties.
The pathway to excellence is turbulent and aspiring musicians must cope with the 'ebb and flow' of development if they are to realise their potential.
These families often confront body anxiety while at their intellectual ebb.
