英语语法分析

Dr. Chu is unlike any Secretary of Energy we've had before and a rare commodity in Washington: not a politican or lawyer, but a Nobel Prize-winning scientist and professor of physics.

朱博士不同于任何历任能源部长，在华盛顿实属罕见：即不是政客也不是律师，而是获得过诺贝尔奖的科学家和物理学教授。