potentially hazardous object
A mythological reptilian monster of legend, identified with the crocodile.
(martial arts, judo) The highest score in judo, awarded for a throw that places the opponent on their back with impetus or for holding the opponent on their back for a number of seconds.
plural of misventure
(astronomy) A near-Earth asteroid or comet with an orbit such that it has the potential to make close approaches to the Earth and is of a size large enough to cause significant regional damage in the event of impact.
天文学者たちは、その軌道が今後100年以内に地球にかなり接近する可能性があり、衝突した場合に地域に甚大な被害を及ぼすおそれのある近地球天体を追跡しました。
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