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单词
mainspring
释义
mainspring
n.
  
1.
the principal spring of a mechanical watch, clock, etc.
  
2.
a chief motive power; an incentive.
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scrimmage
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scrofula
scroll
scrolled
scrollwork
Scrooge
scrotum
scrounge
scrub
scrubber
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scruffy
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更新时间:2025/3/24 19:17:58