汉语翻译：
n. 苍穹, 天空英语解释：
名词 welkin:
the apparent surface of the imaginary sphere on which celestial bodies appear to be projected同义词：celestial sphere, sphere, empyrean, firmament, heavens, vault of heaven
详细解释：wel.kin
n.（名词）
The vault of heaven; the sky.
苍穹；天空
The upper air.
高层空气
来源：
Middle English welken
中古英语 welken
from Old English wolcen, weolcen [cloud]
源自 古英语 wolcen, weolcen [云]
