单词：Primula yargongensis
单词：Primula yargongensis 相关文章
As you've probably experienced firsthand, some mosquito species have a real taste for warm, human blood. So much so that if you raise them on it the lab, they'll accept no substitute. Fortunately, I don't get major reactions at all. Brad Main is a mo
2016年Scientific American(九)月
ROME, Dec. 3 (Xinhua) -- Italy lacks the necessary energy(能量,活力) and strength for an economic revival while unemployment and poverty are on the rise, warned a report issued Friday. The 44th edition of the Censis think tank social survey, the
英语新闻
In Africa's battle against malaria, two low-tech tacticsinsecticides and bed netshave done a decent job killing off mosquitoes. But it's mainly one species that's been affected. That's a species called Anopheles gambiae, sometimes called the African
2016年Scientific American(八)月
By Sarah Simpson Katsina, Nigeria 06 April 2007 Umaru Yar'Adua is the man most likely to become the president of Africa's most populous and oil-rich country, Nigeria. But until he emerged as the ruling party candidate in next month's presidential pol
2007年VOA标准英语（四月）
China's first space lab Tiangong-1 has successfully entered its designated orbit. The Tiangong-1 module is to take part in the country's first space docking procedure that will ultimately allow China to launch its own space station around 2020. CRI's
世界各地新闻集锦
You might not think there would be that many people in the world prepared to devote lifetimes to the study of something so inescapably low key, 你或许会认为，世界上不会有多少人愿意花毕生的心血来研究那个不起眼儿的东西
万物简史