单词：primary objective
单词：primary objective 相关文章
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If you have a dog, you know you gotta walk it. But do you know how it walks? Well, if you have no idea which foot Fido puts forward when, youre in good c
Scientific American(二)月
By Paul Sisco Washington, DC 16 June 2006 watch Electronic Stability report A study released in the United States this week says putting electronic stability controls on new motor vehicles would significantly reduce fatalities. ---------------------
2006年VOA标准英语（六月）
Cheetah's Tail Inspires Model for Robot's Stability 猎豹尾巴启发机器人设计 If you speed your bicycle through a curve, you have to lean to the inner side in order to keep your balance. Many fast moving animals do the same, often with additi
VOA标准英语2014年(二月)
今天我们要学的词是stability。 Stability, 是稳定的意思。Political stability, 政治稳定；economic stability, 经济稳定。时代周刊2007年的年度人物是俄罗斯总统普京。时代周刊对普京的评价是，He stands,
英语单词荟萃
By Luis Ramirez Bangkok 17 September 2007 One year has passed since the Thai military overthrew the government of Prime Minister Thaksin Shinawatra on grounds it was corrupt. The interim government is making good on promises to return the country to
2007年VOA标准英语（九月）