Experts have warned it can damage hearing.

而专家们则曾警告说这种喇叭会损害听力。

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If sharks go, the ocean food chain could crumble, experts have warned.

专家警告说如果鲨鱼灭绝的话，海洋食物链将遭到破坏。

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Computer experts have warned that without access to the Internet "the iPad is DOA (dead on arrival)".

专家警告，要是不能上网，iPad可真的是死翘翘了。

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It is old and American experts have warned that it could run into problems.

ECONOMIST: Iraq, Iran and the politics of oil

But some experts have warned bills for data could soar with faster browsing.

BBC: 4G mobile broadband speeds 'doubling', says EE

Breastfed babies may need a top up of Vitamin D to ensure they do not develop rickets, US experts have warned.

BBC: Rickets warning over breastfeeding