标签：conceal 相关文章
Why Do Zebras Have Stripes? For many animals, camouflage is an important part of survival. A leopards spotted coat and a polar bears white fur help them blend into their respective environments. But a zebras bold stripes cant help to disguise it in i
英语听力文摘 English Digest
By Peter Heinlein United Nations 29 November 2006 Iran's president has issued an open letter to the American people in which he criticizes U.S. policies in the Middle East. VOA's Peter Heinlein reports the letter was released at U.N. headquarters in
2006年VOA标准英语（十一月)
By Stephanie Ho Washington 26 March 2007 An Australian detainee held by U.S. authorities at Guantanamo Bay, Cuba, is to be the first so-called enemy combatant tried under a new military commission procedure that was approved by the U.S. Congress last
2007年VOA标准英语（三月）
Hong Kong's health authorities say 31 out of the 33 suspected cases of MERS reported in the 24 hours before noon Wednesday have tested negative. Officials at the Center for Health Protection said that two patients are still being tested, but that as
cctv9英语新闻2015年
By Valer Gergely Kazakhstan 18 May 2007 Soyuz capsule re-enters Earth A Russian cosmonaut and two American astronauts returned to Earth last month, landing in Central Kazakhstan aboard the Soyuz re-entry vehicle. VOA correspondent Valer Gergely visit
2007年VOA标准英语（五月）