scope
英 [skəʊp]美[skop]
	    - n. 范围;余地;视野;眼界;导弹射程
 - vt. 审视
 
英英释意
- 1. 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"
 
- 2. the state of the environment in which a situation exists;
 - "you can't do that in a university setting"
 
- 3. a magnifier of images of distant objects
 
- 4. electronic equipment that provides visual images of varying electrical quantities