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单词 return stroke
释义

return stroke

/rɪˈtəːn ˌstrəʊk/
noun
1A movement in which a piston or other reciprocating part returns to a previous position.
2An act of striking back; a blow given in return for one received.
3 Meteorology. The principal discharge in a lightning stroke, occurring after the leader stroke reaches the ground or an object, and carrying the main current upwards from the ground or object to the cloud.
  • The return stroke produces most of the light of a lightning stroke..

Origin

Early 19th century; earliest use found in The Repertory of Arts. From return + stroke.

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更新时间:2025/3/25 0:59:18