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单词 racket wheel
释义

Definition of racket wheel in English:

racket wheel

noun ˈrakɪt ˌwiːl
rare
  • Ratchet wheel.

Origin

Mid 18th century; earliest use found in William Emerson (1701–1782), mathematician. Variant or alteration of ratchet wheel, perhaps after rack.

 
 

Definition of racket wheel in US English:

racket wheel

nounˈrakɪt ˌwiːl
rare
  • Ratchet wheel.

Origin

Mid 18th century; earliest use found in William Emerson (1701–1782), mathematician. Variant or alteration of ratchet wheel, perhaps after rack.

 
 
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更新时间:2024/12/23 18:40:33