单词	bootjack
释义	bootjack noun boot·​jack ˈbüt-ˌjak  : a device (as with a V-shaped notch) used for pulling off boots Illustration of bootjack Example Sentences Recent Examples on the Web Cut the resulting parabola out with a jigsaw to form the mouth of your bootjack. Teddy Boxberger, Popular Mechanics, 2 Aug. 2017 Word History First Known Use 1793, in the meaning defined above
随便看	signalman signalmen signalment signalments signals signaries signary signatary signate signate matter signation signatories signatory signatural signature signature by mark signature loan signature tune signatureless signatures signaturist signboard signboards signed signed (up or on)

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