ascent
/əˈsent/noun
1
- a climb or walk to the summit of a mountain or hill攀登：
the first ascent of the Matterhorn.
首次登上马特峰的顶峰
mass noun the routes of ascent can be retraced.下山时可沿上山的路原路折返。
1.1
- an upward slope or path that one may walk or climb（可沿线行走或攀登的）斜坡（或上坡路）：
the ascent grew steeper.
上山的路变得更陡了。
2
- in sing. an instance of rising or moving up through the air上升, 升高：
the first balloon ascent was in 1783.
气球首次升空是在1783年。
2.1
- in sing. a rise to an important position or a higher level（地位、职务的）提升; （水平的）提高：
his ascent to power.
他进入权力机构的高升。
词源
late 16th cent.: from ASCEND, on the pattern of the pair of descend, descent.