the period of time when the sea flows away from the land 落潮；退潮 the ebb tide 退潮
Extra ExamplesIt was difficult sailing upstream against a strong ebb. 在强势退潮时逆流航行是非常困难的。 They left port on the ebb tide. 退潮时他们离开了港口。 They went out to sea with the ebb. 他们趁退潮出海了。
Oxford Collocations Dictionaryebb + noun- tide
- against an/the ebb
- on an/the ebb
- with an/the ebb
- …
- the ebb and flow of something
Word OriginOld English ebba (noun), ebbian (verb), of West Germanic origin; related to Dutch ebbe (noun), ebben (verb), and ultimately to of which had the primary sense ‘away from’.
Idioms
at a low ebb
the ebb and flow (of something/somebody)
the repeated, often regular, movement from one state to another; the repeated change in level, numbers or amount 涨落；盛衰；起伏；消长 the ebb and flow of the seasons 四时更迭 She sat in silence enjoying the ebb and flow of conversation. 她默默地坐在那儿，饶有兴致地听着时高时低的谈话声。 He had known her long enough to recognize the ebb and flow of her moods. 他认识她很久了，知道她情绪的起伏。 the natural ebb and flow of water 自然的潮起潮落 We see a constant ebb and flow of jobs. 我们发现，就业的机会始终起伏不定。