extent
英 [ɪk'stent; ek-]
美[ɪk'stɛnt]
	    - n. 程度;范围;长度
 
英英释意
- 1. the point or degree to which something extends;
 - "the extent of the damage"
 - "the full extent of the law"
 - "to a certain extent she was right"
 
- 2. the distance or area or volume over which something extends;
 - "the vast extent of the desert"
 - "an orchard of considerable extent"