英和和英

the upper grades

the topmost layer

high‐ranking

rise to a higher level

the highest rank

high level or degree

the upper echelons

a higher course

of superior grade

an upper‐class accent

the upper age bracket

the upper floor(s)

the top floor

an honours degree of the highest class

the upper row

the top stair

an upper position

the highest rank in a classification

the top rung

the upper bunk

to climb to a high rank

the lowest grade

height above sea-level

a position of superior status

the height above sea level

the senior grade of a rank

the middle and upper level or degree

a high standard

to a very high level

a high-level official