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单词
downstroke
释义
WordReference Random House Unabridged Dictionary of American English © 2024
down•stroke
(doun
′
strōk′),
USA pronunciation
n.
Mechanical Engineering
a downward stroke, as of a machine part, piston, or the like.
a downward stroke in writing, often heavier and darker than an upward stroke.
down
1
+
stroke
1
1850–55
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更新时间:2026/4/21 22:05:16