单词：air-cooled 

形容词

• 
  [1.a.air-cooled] (同义词:[air-cooled(adj.用空气冷却的 )]  )
• 
  注释列句：cooled by a flow of air; "an air-cooled engine"
• 近义词 -> [cool( n. 凉爽, 凉爽的空气 adj. 凉爽, 冷静的, 无所顾虑的, 淡漠的 v. 使冷, 使镇定 )]