chimney swift
A rapid-flying bird that feeds on flying insects, Chaetura pelagica, with a breeding range in the eastern US extending into Canada and winter range in northwestern South America.
plural of lappy / plural of lappie
An instrument used to determine the true contour and dimensions of any internal organ or other object rendered visible by X-rays, the latter being deflected so as to be made parallel.
Variable length particle swarm optimization. / Village public safety officer.
東部アメリカからカナダにかけて繁殖し、南アメリカ北西部で越冬する、素早く飛んで空中の昆虫を捕食する鳥（Chaetura pelagica）が夕暮れ時に古い製粉所の上を滑空して黄金色の光の中で虫を捕えていた。
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