单词	headcap
释义	headcap noun : the covering leather at the head and foot of the backbone of a hand-covered book shaped over the headbands Word History First Known Use 1946, in the meaning defined above
随便看	underscore underscored underscores underscoring underscrub underscrubs undersea undersealed undersealing underseals underseas undersecretariat undersecretariats undersecretaries undersecretary undersecretaryship undersell undersellers underselling undersells undersense undersenses underservant underserved underset

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