美国科学家

• For years , american scientists had been developing a secret weapon , the atomic bomb
  这些年，美国科学家正在发明一种秘密武器，原子弹。
• Sparks created in a lab give off x - rays , scientists announced monday
  美国科学家日前宣布说，他们在实验室中制造出的电火花能够发射出x射线。
• Recently , however , scientists in the united states have established that these noises are songs
  然而，最近美国科学家们认为这种声音就是歌曲。
• But american scientist robert webster believes ducks are a big part of the problem
  但是美国科学家罗伯特.维博斯特相信鸭子可能是问题的主要部分。
• Scientists in theunited statessay plant life has increased on earth in the past twenty years
  美国科学家称，在过去的20年中，地球上的植物有所增长。
• Now , that organization still exists and is known today as the federation of american scientists
  好，这个机构仍然存在，今日以美国科学家联盟而闻名。
• In 1999 , american scientists re - measured the mountain using global positioning satellite technology
  1999年，美国科学家们利用全球定位系统重新测量了珠峰的高度。
• Telescopes , the researchers watched two giant gas clouds in outer space collide over a 100 - hour period
  一队美国科学家在观察两团气云碰撞时发现了暗物质存在的证据。
• The american scientists have found that scents enhance efficiency and reduce stress among office workers
  美国科学家发现香气可以提高办公室人员的工作效率，减缓压力。
• In fact , an american scientist who served as an advisor on the report withdrew his name from it
  实际上，有一个为该报告担当顾问的美国科学家从报告中撤回了自己的名字。