单词：pneumatically 

副词

• 
  [1.r.pneumatically] (同义词:[pneumatically(adv.由空气作用 )]  )
• 
  注释列句：in a pneumatic manner; "at the present time the transmission is very often done hydraulically or pneumatically"
• 属于名词 -> [pneumatic( adj. 装满空气的, 有气胎的, 汽力的, 风力的, 灵魂的 n. 气胎 )]