zenith

英 [ˈzenɪθ]

美 [ˈziːnɪθ]

n.  天顶(太阳或月亮在天空中的最高点); 鼎盛时期; 顶峰

TOEFLGRETEM8

BNC.18949 / COCA.15834

牛津词典

noun

• 天顶（太阳或月亮在天空中的最高点）
  the highest point that the sun or moon reaches in the sky, directly above you
• 鼎盛时期；顶峰
  the time when sth is strongest and most successful

柯林斯词典

• N-SING 全盛时期;鼎盛时期
  Thezenithof something is the time when it is most successful or powerful.
  1. His career is now at its zenith...
     他的事业现在处于鼎盛时期。
  2. The zenith of Perugia's influence came with the defeat of Siena in 1358.
     1358年击败锡耶纳之后佩鲁贾的影响力达到了顶峰。
• N-SING 天顶（太阳或月亮在天空中的最高点）
  Thezenithis the point at which the sun or moon is directly above you and seems to be at its highest.
  1. The sun rises, reaches its zenith and sets.
     太阳升起，达到最高点，然后落下。

英英释义

noun

• the point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected

双语例句

• A great circle on the celestial sphere passing through the zenith and perpendicular to the horizon.
  与水平线垂直的宇宙天体范围内的大圈，它经过天顶和地点。
• He has reached the zenith of his career.
  他已经达到了他事业的顶峰。
• His career is now at its zenith
  他的事业现在处于鼎盛时期。
• Rome's power reached its zenith under the emperor Trajan.
  罗马帝国的势力在图雷真皇帝的统治下达到顶峰。
• When the jolly sunshine comes to stay, The sun had already climbed to its zenith.
  当阳光照耀的时候，太阳已经升到当空。
• Improved model of tropospheric zenith delay for GPS signal
  GPS信号对流层天顶延迟改进模型研究
• It feel as If we have traveled from nadir to zenith
  感觉上我们好像已从天底走到了天顶
• The sun rises, reaches its zenith and sets.
  太阳升起，达到最高点，然后落下。
• The newspaper reached its zenith in the1960s, but has since declined.
  这份报纸在20世纪60年代到达了顶峰，但从那以后就衰落了。
• The paper expounds the principle and the method of measuring zenith distance for celestial positioning based on the direction of gravitational force line.
  论述了在海上进行天文定位时以重力线作基准直接测定天体顶距的原理和方法。