back up
(idiomatic, intransitive) To move backwards, especially for a vehicle to do so. / (idiomatic, transitive) To move a vehicle backwards. / (idiomatic, intransitive) To undo one's actions.
(rare) plural of denarius
A repeated excavation
Describing a mode of swimming by fish in which most of the propulsion is provided by the tail but some is provided by movements of the body
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DiQt(ディクト)
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