the ebb and flow of the tide海潮的涨落Private and public virtues were at the lowest ebb.公德与私德均在衰落之中.The flood and ebb tides alternates with each other.涨潮和落潮交替更迭....
...a time when everyone is tired and at a low ebb...每个人都疲惫不堪、处于低潮的一段时间...the spring ebb tide...春季退潮...the ebb and flow of feeling and moods.感觉和情绪的起伏Fishing boats were standing down with the ebb.渔船趁着落潮出航。My luck is on the...