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单词
aviation
释义
aviation
n.
  
1.
the skill or practice of operating aircraft.
  
2.
aircraft manufacture.
Etymology
: F f. L avis bird
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uncase
uncashed
uncaught
unceasing
uncensored
uncensured
unceremonious
uncertain
uncertainty
uncertified
unchain
unchallengeable
unchallenged
unchangeable
unchanged
unchanging
unchaperoned
uncharacteristic
uncharged
uncharitable
uncharted
unchartered
unchaste
unchecked
unchivalrous
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更新时间:2025/11/7 22:38:21