单词	daggerboard
释义	daggerboard noun dag·​ger·​board ˈda-gər-ˌbȯrd  : a removable narrow centerboard in some small boats that is raised and lowered by sliding up and down Example Sentences Recent Examples on the Web Daggerboards on both hulls are in the water for a few moments during tacks and gybes. Bernie Wilson, The Seattle Times, 21 June 2017 That could be due in part to the shape of their daggerboards, but for Oracle to alter its own would be a complex process. Christopher Clarey, New York Times, 18 June 2017 Their pedaling powers the hydraulic systems used to trim the wingsail and raise and lower the daggerboards, or retractable centerboards, that are tipped with hydrofoils. Bernie Wilson, The Seattle Times, 21 June 2017 Usually, only one of the two larger foils at the front (called daggerboards or L-foils, because of their distinctive shape) is in the water. Chris Jones, Popular Mechanics, 1 June 2017 Word History First Known Use circa 1930, in the meaning defined above
随便看	Pterocladia pterocleses pteroclesses Pterocletes Pteroclididae pteroclididaes pterocnemiae pterocnemias pterodactyl Pterodactyli pterodactyli pterodactylidaes pterodactyls Pterodactylus pterodactyluses pterodactylusses Pterodroma pteroes pterographer pterographic pterographical pterography pteroid Pterois pteroises

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