单词	birdcall
释义	birdcall noun bird·​call ˈbərd-ˌkȯl  1 : a device for imitating the cry of a bird 2 : the note or cry of a bird also : a sound imitative of it Example Sentences Recent Examples on the Web Before the last silence, with birdcalls in the woodwinds, there is a spell of absolute fulfillment, of all-embracing spiritual warmth. Alex Ross, The New Yorker, 3 Oct. 2019 The artist dresses up as a Hong Kong policeman from the British colonial era, holding a Long Range Acoustic Device, or LRAD, a non-lethal sonic weapon, beaming concentrated sound or birdcalls at his audience. Vivienne Chow, Quartz, 31 Dec. 2019 Every detail, from a broken branch to a birdcall, is part of a larger story that makes sense when told the right way. Ken Geiger, National Geographic, 17 June 2019 Word History First Known Use 1621, in the meaning defined at sense 2
随便看	helmet shrike helmeted helmeted guinea fowl helmetflower helmetfloweres helmetflowers helmeting helmetlike helmetpod helmets Helmholtz Helmholtz coil Helmholtz double layer Helmholtz resonator helmholtzes helming helminth Helminthes helminthiases helminthiasis helminthic helminthics Helminthocladiaceae helminthoid helminthological

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