大象在草丛中行走。图片由 aj robbie 拍摄。来自 Unsplash. 非洲象的皮肤厚达惊人的 2.5 厘米，坚韧而富有弹性。它还充当重要的体温调节器，帮助大象在炎热的非洲阳光下保持凉爽。

The conflict in Sudan has dealt a fresh blow to China’s strategy of financial engagement with Africa, putting at further risk loans from Beijing worth at least $5bn.Sudan has been a significant ...

It was entirely logical that George H.W. Bush, who has died at the age of ??, would become president of the US, the 41st in its history. Born into privilege, the son of a pillar of Wall Street who had ...

President Bush marked African-American History Month in the United States with a ceremony at the White House, where he spoke of the need to purge the country of symbols of intolerance. VOA White House ...