空中: in the sky; in the air; aerial; overhead; midair 短语和例子在空中翻筋斗 make a somersault in midair; 在大战期间伦敦受到来自空中的袭击。 during the great war london was attacked from the air. 首次在空中航行的飞行器是气球。 the first
销: Ⅰ动词1.(熔化金属) melt (metal)2.(除去; 解除) cancel; annul 短语和例子注销 write off; cancel3.(销售) sell; market:产销平衡 balance between production and marketing;畅[滞] 销 sell well [poorly]; 试销 place goods on tri