lower reaches下游;鄙人流;下流;水流的下游
Middle Reaches河道中游
Reaches boldly大胆地到达;达大胆;正在翻译
Frozen Reaches冰封域
arid reaches干涸的河段
trackless reaches人迹未到的河段
accuracy reaches精度达到
reaches conditional达到条件
At present the academic researches on TV elite culture programs are limited, and they haven’t yet to reach a complete system.
目前学术界对电视精英文化节目的研究不是很多,也没有形成完整的体系。
参考来源 - 我国电视精英文化节目的现状及生存策略分析N-PLURAL（复数型名词） The upper, middle, or lower reaches of a river are parts of a river. The upper reaches are nearer to the river's source and the lower reaches are nearer to the sea into which it flows. 河段; 流域; (上、中或下)游[usu 'the' adj N 'of' n]
This year water levels in the middle and lower reaches of the Yangtze are unusually high.
今年长江中下游的水位高得不正常。
N-PLURAL（复数型名词） You can refer to the distant or outer parts of a place or area as the far, farthest, or outer reaches. (远)处; (最边远)地区; (外)围 [正式][usu 'the' adj N 'of' n]
...the outer reaches of the solar system.
...太阳系的外围。
N-PLURAL（复数型名词） You can refer to the higher or lower levels of an organization as its upper or lower reaches. (组织或机构中的)层 [正式][usu 'the' adj N 'of' n]
...the upper reaches of the legal profession.
...法律行业的上层。