Experts have also warned that the instruments are loud enough to damage ear nerves and some have called for them to be banned.

专家也警告称，这种喇叭的声音太大，足以损坏耳神经。一些专家甚至呼吁禁止呜呜组啦。

youdao

A man named Wei Minghe explained that each mound represented a house for the dead, and local tradition called for them to complete the Qingming ritual before dawn.

一位叫魏明河的男子解释说，每一座坟墓代表一个亡人的家，当地的传统要求他们在天亮前完成清明节的仪式。

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When they had completed that objective, the flight plan called for them to fly an additional 67 miles east, then turn north for 73 miles and finally straight back to base, a distance of 120 miles.

当他们已经完成那个任务的时候，飞行计划要求他们往东多飞额外的67英里，然后转往北飞73英里，最后直接回到基地，有120英里的距离。

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A company called StoveTec is selling them through its Web site for less than ten dollars.

VOA: special.2010.02.01

Children get diseases from a class of viruses called rotaviruses, for which we have no vaccine, and- and so no way to protect them.

儿童因轮状病毒而生病,而我们没有针对这种病毒的疫苗,所以,所以我们没有办法保护儿童

耶鲁公开课 - 生物医学工程探索课程节选

We'll see why they have to separate that in a minute, but they do that these lipid bi-layers solve that problem for them and they're self-assembled structures from these molecules called phospholipids.

我们马上会讲到为什么要把它们隔离开,脂质双层膜解决了这个问题,而这些自主装结构,就是由磷脂分子组成的

耶鲁公开课 - 生物医学工程探索课程节选

As for the elections, a former president, Leon Febres Cordero, has called for them to be postponed.

ECONOMIST: Ecuador

It called for them all to be put under the supervision of a new national director of intelligence.

ECONOMIST: America and Britain on guard | The

He said those responsible for the damage were not acting in his name and he called for them to stop.

BBC: Derrylin windfarm