The safety of GM food is hotly debated across traditional and online media, with the public expressing grave concerns over the safety of GM foodstuffs.

无论是在纸质媒体还是在线媒体上，转基因食品的安全性都是一个被激烈争论的问题，公众对转基因食品的安全性表示严重关切。

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The 69-year-old physicist fell seriously ill after a lecture tour in the US in 2009 and was taken to Addenbrookes hospital in an episode that sparked grave concerns for his health.

自2009年在美国举行了巡回演讲之后，这位现年六十九岁的物理学家就大病了一场，其间被送到阿登布鲁克医院（Addenbrookes hospital）进行救治的消息还引发了公众对其健康的严重关注。

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Amidst all the frenzy over the bird flu virus that's raging among poultry and has killed 71 people since its onset, the issue of human immunity tops the list of grave concerns.

禽流感病毒正肆虐着家禽，而且从爆发至今早就吞噬了71条人命，在这阵禽流感引发的狂乱中，人的免疫性问题成为最受关注的问题。

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They have been charged with being elected on the Change and Reform list, and this causes us grave concerns,".

VOA: standard.2009.04.09

Police said they have grave concerns for Mrs Meagher's safety five days after her disappearance.

BBC: Jill Meagher disappearance: Melbourne CCTV footage shown

Annan himself expressed grave concerns about the situation in Syria in a letter to the U.N.

CNN: STORY HIGHLIGHTS

"It's very uncharacteristic (of Bordeaux) and that's why we have grave concerns, " Bergamine said.

CNN: Search of pond completed in missing GI case