单词：pectineus
单词：pectineus 相关文章
One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond
2017年Scientific American(二)月
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）
Heat Sensor Has Snaky Sensitivity敏感如蛇的热传感器 One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. 世界上有一种最精敏的热传感器，它
2017年Scientific American(六)月
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）