Technology and Means of Urban Night Soil Treatment

So last time it was garbage and this time night soil.

上次是倒垃圾，这次是倒夜壶。

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Variance Analysis About Index of Urban Night soil Treatment System in Different Cities

粪便清运处理系统指标在不同类型城市间的差异性分析

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Numerical Characteristics and Prediction of Night soil Treatment System in Cities

城市粪便清运处理系统的数量特征和预测

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Existing Status Analysis and Development of Night Soil Disposal in China

我国粪便处理的现状分析及发展

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What does it matter what your uncle thinks of you? He only visits you once in a blue moon.

你叔叔怎样看待你，这有什么关系？反正他难得来看你。

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The island is seldom, if ever, visited by ships. Such a chance comes once in a blue moon.

这个岛难得有船停靠.这样的机会极其难得。

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Such a chance comes once in a blue moon. Fat chance I can get a thicket for the concert.

这样的机会极其难得。我很难有机会得到音乐会的票了。

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That's why we say 'once in a blue moon' to talk about something that very seldom happens.

这就是为什么我们有个说法叫做“'once in a blue moon'”就是形容罕有发生之事。京晶：可不是吗。

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The development of information networking has not only brought about good opportunities once in a blue moon but also severe challenges to the Chinese economic development.

信息网络化的发展给中国经济的发展带来了千载难逢的大好时机，但同时也给中国经济的发展带来了严峻的挑战。

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Stamp collecting is interesting, but you find a valuable stamp only once in a blue moon.

集邮是很有趣的事情，但一张有价值的邮票却是千载难逢的。

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I don't know why he bought that membership card, he uses it once in a blue moon.

我不知道他为什么买那张会员卡，他基本不用的。

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The schoolmaster said that he was able to go to a play only once in a blue moon.

这位校长说，他难得有空去看戏。

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I miss my aunt sue. I only see her once in a blue moon.

我想念我的姨妈，苏。我只有久久才见她一次。

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I have almost forgotten what Jack looks like. I see him once in a blue moon now.

我几乎已经忘了杰克的模样。到现在我只极难得地见过他一次。

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I cook once in a blue moon!

我很少做饭！

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Should say, it is the traditional culture to obtain the optimal timing of development once in a blue moon.

应该说，现在是传统文化获得发展的千载难逢的最佳时机。

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He passes his exams once in a blue moon!

他很少通过他的考试！

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Don't give up a such a good opportunity; it only comes once in a blue moon.

不要放弃这个好机会；那是非常难得的。）（当副词用）

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The refugees were put in camps in Italy before being resettled

这些难民在重新定居之前被安置在意大利的难民营中。

柯林斯高阶英汉双解学习词典

The German star put in a classy performance

这位德国明星展示了一流演技。

柯林斯高阶英汉双解学习词典