black op
(organic chemistry) An oily liquid obtained by distillation of calcium oleate, and probably consisting of the ketone of oleic acid.
(intransitive, idiomatic) To prepare for an activity. / (intransitive, idiomatic) To put on special clothing or equipment.
(zoology) Any member of the Polyphagidae, now the Corydiidae
(informal) Clipping of black operation.
夜明け前に、部隊は極秘作戦の計画を最後にもう一度確認した。
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DiQt
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