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1·Morale among teachers is at a low ebb.

教师的精神面貌不佳。《牛津词典》

2·As night fell, our enthusiasm began to ebb away.

我们的热情随着夜晚的降临而渐渐低落下来。《牛津词典》

3·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。《牛津词典》

4·The flood and ebb tides alternates with each other.

涨潮和落潮交替更迭。《新英汉大辞典》

5·The minister took up the theme and discoursed mellifluously on the ebb and flow of empires.

大臣接过话锋，滔滔不绝地谈论起帝国的盛衰兴亡。

6·As that started to ebb, I slowed.

直到愤怒开始褪去，我才放慢了脚步。

7·Saturday's match didn't ebb this tide.

星期六的比赛没有压退这种潮流。

8·Watching hairs go white, and lifetimes ebb away

眼看着头发变白，生命逝去

9·Fresh orders for the world's shipyards are at a low ebb.

全球船厂获得的新订单处于低谷。

10·But history shows how fast the tide of worries can ebb.

但是历史证明担心的浪潮会很快退去。

退潮

1·And as noon approaches, the tide begins to ebb away.

临近中午的时候，海水开始退潮。

2·They swam till the tide began to ebb.

他们一直游到开始退潮。

3·By this time the tide was beginning to ebb, and the ship was swinging round to her anchor.

现在正是开始退潮的时刻，大船围着铁锚旋转。

4·Baudelaire lived in a period of time when romanticism was on the ebb and new fields of poetry were cried for.

波德莱尔处于浪漫主义退潮期，必须开拓新的诗歌领域。

5·Actually, calmly, maybe thinking cap probably measures will be like the beach after the ebb as revealed.

其实，平静地思索一下，也许“可能”的办法就会像退潮后的沙滩一样显现出来。

衰退

1·We can deduce from these facts that this empire are on the ebb.

从这些事实我们推断这个帝国正在衰退。

2·Every tide hath its ebb.

兴盛之日必有衰退之时。

3·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。

4·Less measurable but not less profound is a sapping of confidence cross our land - a nagging terror that America's ebb is unavoidable, and that the next generation have to lower its sights.

比较无法测量但同样深沉的，“tory burch 2010”，是举国信心尽失—持续担心美国将无可避免地衰退，也害怕下一代一定会眼界变低。

衰落

1·This crisis offers an opportunity in Britain's case, for powers to ebb back instead of flow away... and for the European Union to focus on what really matters. In short: less Europe.

这次危机提供了一个机会，“就英国的情况，对权力来说是衰落，而不是随波逐流，而对欧洲联盟来说，是将精力集中在真正重要的事情上” .总而言之，更少的欧洲。

(1)ebb and flow兴衰，起伏；潮的涨落

(1)ebb tide退潮，落潮

(1)at a low ebb处于低潮；衰败

(1)flood and ebb潮汐

(1)ebb away渐渐衰退；消逝