compass
英 ['kʌmpəs]
美['kʌmpəs]
	    - n. 指南针,罗盘;圆规
 - vt. 包围
 
英英释意
- 1. navigational instrument for finding directions
 
- 2. an area in which something acts or operates or has power or control: "the range of a supersonic jet";
 - "the ambit of municipal legislation"
 - "within the compass of this article"
 - "within the scope of an investigation"
 - "outside the reach of the law"
 - "in the political orbit of a world power"
 
- 3. the limit of capability;
 - "within the compass of education"
 
- 4. drafting instrument used for drawing circles