英语词汇“upstroke”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

up•stroke n.

Mechanical Engineering, Mechanicsan upward stroke, esp. of a pen or pencil, or of a piston in a vertical cylinder.

upstroke /ˈʌpˌstrəʊk/ n

单词	upstroke
释义	WordReference Random House Unabridged Dictionary of American English © 2024 up•stroke (up′strōk′),USA pronunciation n. Mechanical Engineering, Mechanicsan upward stroke, esp. of a pen or pencil, or of a piston in a vertical cylinder. up- + stroke¹ 1820–30 Collins Concise English Dictionary © HarperCollins Publishers:: upstroke /ˈʌpˌstrəʊk/ n an upward stroke or movement, as of a pen or brush the mark produced by such a stroke the upward movement of a piston in a reciprocating engine
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