United States general who was the first African American to serve as chief of staff; later served as Secretary of State under President George W. Bush (born 1937)
English physicist who discovered the pion (the first known meson) which is a subatomic particle involved in holding the nucleus together (1903-1969)
- I am also permitted to refer to Professor Raymond Powell of the Education Department at the Normal college.
- Mr Powel has marked out a general course of action.
- The Powell structural research lab at the university of California at San Diego tests new bridge materials such as carbon and fiberglass polymers.
- colin powell 科林·鲍威尔（美国第...
- Colin Powell 科林·鲍威尔...