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BNC: 19817 COCA: 18301

pneumatic

Word family
Related topics: Motor vehicles, Power
pneu·mat·ic /njuːˈmætɪk $ nʊ-/ adjectiveadj [usually before noun]  
1 technicalTTC filled with air 充气的
 pneumatic tyres
充气轮胎
2 TPworked by air pressure 由压缩空气推动的
 a pneumatic pump
气动泵
Examples from the Corpus
Origin pneumatic
(1600-1700) Latin pneumaticus, from Greek, from pneuma air, breath, spirit
pneu·mat·ic adjectiveadj
Chinese
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