pneu·mat·ic
adjective/njuːˈmætɪk/
/nuːˈmætɪk/
[usually before noun]- filled with air
充气的 - a pneumatic tyre
充气轮胎
- a pneumatic tyre
- worked by air under pressure
由压缩空气操作的；气动的；风动的 - pneumatic tools
风动工具
- pneumatic tools
Word Originmid 17th cent.: from French pneumatique or Latin pneumaticus, from Greek pneumatikos, from pneuma ‘wind’, from pnein ‘breathe’.