ebb

n.退潮；衰落

vi.落潮；衰退

They started sailing on the ebb. 他们于退潮时出航了。

But the moments will never ebb away. 但那些瞬间永远不会退潮。

Private and public virtues were at the lowest ebb. 公德与私德均在衰落之中。

Manufacturing business is now at a low ebb. 制造业现正处于衰落中。

Fishing boats were standing down with the ebb. 渔船趁着落潮出航。

We dropped her astern on the end of a seven-inch manilla,and she laid comfortably on the ebb tide. 我们丢给了她船尾的一条七尺长的绳子，让她舒适地感受落潮的律动。

Brain is not used well, be about to ebb or go slant. 脑子不好好用，就要衰退或走偏。