悼念枪击案遇难者(2)
- 相关热点:
- 罗斯福演讲
最早的摩天楼和迪拜塔(2)
世界最高摩天大楼——迪拜塔 Hints: Burj Khalifa Dubai United Arab Emirates MuslimThe most recent addition to this list is the Burj Khalifa in Dubai in the United Arab Emirates. This building me...
整洁的农场 远离乳腺癌 (2)
Ynte Schukken SchukkenThe same is true for milking machines, milking areas and pasture lands -- the cleaner the better, he says. Milkers should always wash their hands. And, in the United States,...
悼念枪击案遇难者(1)
四月在弗吉尼亚理工学院发生的枪击事件造成了32人和持枪者身亡...The deadly rampage in April on the campus of Virginia Tech left 32 people, and the gunman, dead. Among the victims was freshman Austin...
乌干达土地增肥计划(2)
乌干达东部地区的土地非常贫瘠,使得农业生产得不到发展,为此当地农民和科学家一起施行土地增肥计划Mucuna takes nitrogen from the air and places it in the soil, enriching it. Professor Charles Wortman...