单词：purine bases
单词：purine bases 相关文章
WORDS AND THEIR STORIES - TO TOUCH ALL BASES By Broadcast: Sunday, February 22, 2004 Now the VOA Special English Program WORDS AND THEIR STORIES American English is full of colorful expressions. One s
WORDS AND THEIR STORIES
WORDS AND THEIR STORIES - Touching All Bases: Baseball Rules! Now, the VOA Special English program WORDS AND THEIR STORIES. (MUSIC) American English is full of colorful expressions. One such expression is to touch all bases. It comes from the sport o
2012年VOA慢速英语(三)月
AS IT IS 2015-10-28 Japan Watches Russian Military Bases on Kurils Russia has announced plans to build five military bases, including one on the Kuril Islands. The Soviet Union seized the islands from Japan at the end of World War II. The proposed ba
2015年VOA慢速英语(十一)月
US Soldiers Close Bases, Head Out of Iraq The U.S. military has almost completed the huge job of packing up all of its bases and equipment and moving out of Iraq. After almost nine years in Iraq, thousands of U.S. troops have already left the country
VOA标准英语2011年(十二月)
NE China to set up two drone bases for marine surveillance SHENYANG, Oct. 20 (Xinhua) -- Two drone bases will be established in northeast China's Liaoning Province for real time surveillance on coastal waters, local authorities said Saturday. One of
英语新闻
By Scott Stearns Accra 20 February 2008 President Bush says the United States has no plans to build new military bases in Africa. VOA White House Correspondent Scott Stearns reports, Mr. Bush is in Ghana where he is trying to head off concerns about
VOA常速英语2008年（二月）