n. 空气, 旋律, 态度

vt. 晾, 使通风, 夸耀

n. a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of

n. the region above the ground

n. a distinctive but intangible quality surrounding a person or thing

n. once thought to be one of four elements composing the universe (Empedocles)