玛莉安?贝德采访2007年阿什登奖获得者.Maryann Bird speaks to 2007 Ashden Award winner Biotech.玛莉安?贝德写了与“地球太空船”相依为命.Maryann Bird on surviving on Spaceship Earth.以上VOA特别英语的经济报道是由马里奥·里特尔撰稿. 我是史蒂夫·安贝.And that's the VOA Special English E...
Come along, lad. Time for you to get home.来吧，小伙子。你该回家了。Come along, Osmond. No sense in your standing around.快点儿，奥斯蒙德，你闲站着干什么。Come along, someone must want to know my invention.再努力想想看, 肯定会有人对我的发明感兴趣....
The dyed fabrics had good levelness and equal penetration.并测得染色织物具有较好的匀染性和透染性.Road levelness is a critical index to evaluate the performance of grade roads.路面平整度是衡量高等级公路使用性能的一项重要指标.This process features simple operation,...