reaches

英 [ˈriːtʃɪz]

美 [ˈriːtʃɪz]

n. 河段;流域;(上、中或下)游; 区域; 地带; (组织中的)层级
v. 到达; 抵达; 引起…的注意; 增加到，提升到(某一水平、速度等)
reach的第三人称单数

Collins.1

柯林斯词典

N-PLURAL 河段;流域;（上、中或下）游
The upper, middle, or lowerreachesof a river are parts of a river. The upperreachesare nearer to the river's source and the lowerreachesare nearer to the sea into which it flows.
1. This year water levels in the middle and lower reaches of the Yangtze are unusually high.
  长江今年中下游的水位都过高。
N-PLURAL （外）围；（远）处
You can refer to the distant or outer parts of a place or area as the far, farthest, or outerreaches.
1. ...the outer reaches of the solar system.
  太阳系的外围
2. ...the farthest reaches of Cambodia.
  柬埔寨的最边远地区
N-PLURAL （组织或机构中的）层级
You can refer to the higher or lower levels of an organization as its upper or lowerreaches.
1. ...the upper reaches of the legal profession.
  法律行业的上层
2. ...the lower reaches of the accounting world.
  会计行业中较低的层级

Through many times experiment and probation, the utility model has good effect and reaches design requirement.
本实用新型经多次实验试用，效果良好，达到了设计要求。
The scenery here surpasses that of the lower reaches of the Changjiang River.
此处风光赛过江南。
And now the story reaches a crescendo.
现在故事进行到了高潮。
Pure water sometimes does not freeze until it reaches minus 40 degrees Celsius.
纯净水有时候要降到零下40摄氏度才会结冰。
When the moon reaches the full, it begins to wane.
月满则亏。（《史记》）
By the time this letter reaches you I will have left the country.
你接到这封信时，我已离开这个国家了。
And as an illustration, the risk levels of flood control capacity for some reaches are computed.
并以实例计算了某河段防洪能力的风险度。
Spatial feature of soil salinity in groundwater fluctuant region of the lower reaches of the Heihe River;
对黑河下游不同类型沙漠化土地土壤的盐分进行了调查和分析。
The accuracy of first construction control network of Qiaogong Hydropower Station reaches standards through accuracy statistics and analysis.
通过精度统计和分析，表明桥巩水电站首级施工控制网的精度达到了规范的要求。
The twin worship phenomenon also existed in the Hezhe nationality in the lower reaches of Songhua River.
松花江下游的赫哲族中也存在过孪生子崇拜现象。