同样，许多美国学者难以置信的完美演讲也远非自然。
Likewise, the incredibly perfect speeches of many American academics are far from natural.
美国和英国的学者正在研发特别的材质，能将光线从物体周围移开。
Researchers in America and the U. K. are developing special materials that steer light around an object.
1890年，美国学者正式提出了隐私权的概念。
The idea of privacy was first brought forward by a US scholar in 1890.
在美国，针对毒物侵害，学者们也相继提出了一些新的理论。
In America, in the part of toxic tort, there are also some new theories.
在美国，针对毒物侵害，学者们也相继提出了一些新的理论。
In America, in the part of toxic tort, there are also some new theories.
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