单词	angle of departure
释义	angle of departure : the vertical angle between the line of departure of a projectile and the line of site of the gun Word History First Known Use 1817, in the meaning defined above
随便看	pyramid plant pyramid roof pyramid scheme pyramid schemes pyramid shell pyramidal pyramidal bone pyramidal tent pyramidal tract pyramidale Pyramidalism Pyramidalist pyramidally pyramided pyramidellid Pyramidellidae pyramider pyramides pyramidia pyramidical pyramiding pyramidion pyramidions pyramidist pyramidists

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