研究发现大象的饮食极其丰富

Forecasters in the US say Monday was the world's hottest day on record.

美国天气预报员表示，周一是有记录以来世界上最热的一天。

Government scientists said the average global temperature reached just over 17 celsius.

政府科学家表示，全球平均气温略高于17摄氏度。

Researchers have blamed climate change coupled with the start of an El Nino weather event.

研究人员将其归咎于气候变化和厄尔尼诺天气事件的开始。

The United Nations special rapporteur on Belarus says the situation on human rights there remains catastrophic and is continuing to worsen.

联合国白俄罗斯问题特别报告员表示，白俄罗斯的人权状况仍然是灾难性的，而且还在继续恶化。

Anais Marin told the UN Human Rights Council that Minsk was deliberately cautioning and purging society of any remaining dissenting voices.

Anais Marin告诉联合国人权理事会，明斯克是在故意警告和清除社会上任何残存的异议声音。

Her annual report says more than 1,500 people are still being detained on politically-motivated charges with an average of 17 arbitrary arrests every day since 2020.

她的年度报告称，自2020年以来，仍有1500多人因政治动机的指控而被拘留，平均每天有17人被任意逮捕。

British police have reopened an investigation into alleged breaches of COVID rules during a Christmas party 3 years ago at the headquarters of the governing conservatives.

英国警方重新启动了对3年前在执政保守党总部举行圣诞派对期间违反新冠规定的调查。

Last month, the newspaper published video of conservative staff dancing, drinking and joking about bending the rules.

上个月，该报发布了视频，里面有保守派工作人员在跳舞、喝酒和开违反规则的玩笑。

Scientists in the United States say they've discovered that elephants eat a varied diet with individuals choosing among hundreds of plants to suit their needs.

美国科学家表示，他们发现大象的饮食多种多样，每个个体可以从数百种植物中进行选择，以满足自己的需求。

Here's Helen Briggs.

海伦·布里格斯报道。

Most of an elephant's day is spent jumping through a vast amount of grasses, leaves, fruits and roots.

大象一天中的大部分时间都是在大量的草、叶、水果和草根之间搜寻。

But the precise mix of plants an elephant eats was previously unknown, partly because of the perils of getting close to one in the wild.

但以前我们并不知道大象具体是吃了哪些植物，部分原因是在野外近距离接触一头大象会很危险。

A US team made this discovery by analyzing plant DNA in the dung of wild elephants in Kenya.

一个美国研究小组通过分析肯尼亚野生大象粪便中的植物DNA得出了这一发现。

They found individual diets were far more varied than expected, even among family members who forage together.

他们发现，即使是在一起觅食的家庭成员之间，个体的饮食也比预期的要更加多样化。

The scientists think this means individuals choose different selections of hundreds of plants to suit their specific needs, especially when pregnant or feeding their young.

科学家们认为，这意味着每头大象都可以选择数百种不同的植物来满足自己的特定需求，特别是在怀孕或哺育幼崽的时候。

BBC news.

BBC新闻。