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单词 pitch-back
释义

Definition of pitch-back in English:

pitch-back

adjective ˈpɪtʃbak

  • Designating a type of waterwheel in which the incoming supply of water falls on to the paddles or buckets of the wheel from above the axle and on the nearer side, causing it to rotate in the opposite direction to that of the incoming flow.

Origin

Early 19th century; earliest use found in The Times. From either pitch or pitch + back.

 
 

Definition of pitch-back in US English:

pitch-back

adjectiveˈpɪtʃbak

  • Designating a type of waterwheel in which the incoming supply of water falls on to the paddles or buckets of the wheel from above the axle and on the nearer side, causing it to rotate in the opposite direction to that of the incoming flow.

Origin

Early 19th century; earliest use found in The Times. From either pitch or pitch + back.

 
 
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更新时间：2025/1/9 9:33:15