单词：Rhodococcus cinnabareus
单词：Rhodococcus cinnabareus 相关文章
Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra
国家地理2008年
By Al Pessin Washington 10 September 2007 The American commander in Iraq says the U.S. troop presence there will be reduced by about 2,000 this month, and another 3,500 by the end of the year. But General David Petraeus said he needs most of the 168,
2007年VOA标准英语（九月）
Blood Is Thicker Than Water In the 1960s, biologist William Hamilton became interested in the caterpillars of the cinnabar moth. Most caterpillars are heavily camouflaged to protect them from hungry birds. The cinnabar is an exception. Its covered wi
英语时差8，16
By Al Pessin Washington 08 April 2008 The top U.S. military commander in Iraq and the U.S. ambassador told Congress Tuesday that progress in Iraq is fragile and reversible, and called for continuing U.S. commitment, including an open-ended pause in U
VOA常速英语2008年（四月）
By Al Pessin Pentagon 10 April 2008 In congressional testimony this week, the top U.S. military and civilian officials in Iraq reported what they called real but fragile progress, and urged caution in any discussion of further U.S. troop withdrawals,
VOA常速英语2008年（四月）
The coalition commander in Iraq, General David Petraeus, has left his post after a momentous year and a half, during which he is widely credited with turning around the fight against a variety of insurgent groups. He will now become the overall comm
VOA标准英语2008年（九月）