单词	black powder
释义	black powder noun : an explosive mixture of potassium nitrate or sodium nitrate, charcoal, and sulfur used especially in fireworks and as a propellant in antique firearms compare gunpowder Example Sentences Recent Examples on the Web The federal government provided seven kegs of black powder to local farmers who blew up the entrance of a river oxbow that had been developing for 70 years. Jonmaesha Beltran, The Arizona Republic, 15 Aug. 2022 According to a neighbor identified in court documents as DH, at some point after Rounds’ disappearance, Brenner asked him to conceal three black powder guns and a .22-caliber rifle without a serial number. Michael Ruiz, Fox News, 28 July 2022 The chair is supported by a sturdy, black powder-coated stand, which is also included, with a solid 350-pound maximum weight capacity. Rachel Klein, Popular Mechanics, 29 July 2022 What emerges is plastics, copper, and aluminum, and a black powder that is 40 percent graphite and lesser amounts of lithium, nickel, and cobalt. Emma Marris, The Atlantic, 13 July 2022 The top rail will help keep your cargo in place, and the black powder coat prevents corrosion. Collin Morgan, Car and Driver, 28 June 2022 Jones believes the shell recovered by the Cobb bomb squad used a paper time fuse to ignite the black powder inside. Henri Hollis, ajc, 4 Mar. 2022 It has been proposed that black powder may have been introduced to the Middle East earlier, as early as these vessels from the 9th-11th century. Jennifer Ouellette, Ars Technica, 3 May 2022 The bag also contained black powder, propellant powder and fuses, though those items were not brought into the courtroom due to safety concerns. Tresa Baldas, Detroit Free Press, 30 Mar. 2022 See More Word History First Known Use 1793, in the meaning defined above
随便看	capacitation capacitations capacitative capacities capacitive capacitive coupling capacitive reactance capacitively capacitivity capacitor capacitor motor capacitors capacity capacity coupling capacity factor capape caparison caparisoned caparisoning caparisons capas capataces capatas capataz capcase

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