Word forms: plural, 3rd person singular present tense ebbs, present participle ebbing, past tense, past participle ebbed
1VERB (潮水或海水)退,落 When the tide or the sea ebbs, its level gradually falls. (潮水或海水)退,落
When the tide ebbs it's a rock pool inhabited by crustaceans. [VERB]
退潮时,它便成为甲壳动物居住的岩石区潮水潭。
2N-COUNT 退潮(期);落潮(期)The ebb or the ebb tide is one of the regular periods, usually two per day, when the sea gradually falls to a lower level as the tide moves away from the land. 退潮(期);落潮(期)
...the spring ebb tide.
春季退潮
We decided to leave on the ebb at six o'clock next morning.