在某些情况下，过滤器将需要相当稳定注意保持清晰，车轮转动，使设计易于过滤器清洗进入系统。

In some situations the filter will need fairly constant attention to keep it clear and the wheel turning, so design ease-of-filter-cleaning into the system.

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在公开场合萨科奇先生从不敢反对默克尔夫人，以防造成欧元的不稳定进而使法国成为大家注意的焦点。

Mr Sarkozy dare not disagree with Mrs Merkel in public, lest a row destabilises the euro and draws attention to France.

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这种跑步所选的小山要有一定的坡度阻力，你要作的就是在跑步的过程中控制速度、保持稳定，把注意的焦点集中在坡度上。

The hill will present resistance; your job is to run controlled and steady, focusing on form.

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