(n-adv,n-t) air lane
(P)
(n,adj-no) abstract or impracticable theory
(n) a blank (ticket)
(n) a lonely, spouseless life
(n,adj-no) aviation
flying
(P)
(n) high altitude
(n) high altitude
(n) Minister of Works (Zhou-dynasty China)
(n,adj-no) space-time
(n) sky on New Year's morning
(n) sky on New Year's morning
(n) sky
the skies
high-altitude sky
upper air
(P)
(adj-na,n) vacuum
hollow
empty
(P)
(n) body
one's fortune
(n) mastery of the air
(n) come to nothingness
(n) starry sky
(P)
(n) blue sky
(P)
(n) snow-laden sky
(n,adj-no) antiaircraft
(n) staying (remaining) in the air
(n) heavens
firmament
sky
(P)
(adj-na,n) (1) hollow
emptiness
(adj-na,n) (2) mid-air
the air
(adj-na,n) (1) mid-air
the air
(n,adj-no) low ceiling
low altitude
(n) sky
air
ether
firmament
(n) winter sky
(n) beautiful sky
(n) blue sky
azure sky
(n) air defense
air defence
(P)