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| Subject | Russian | English |
| math. | предвестник катастроф | precursor of catastrophes |
| earth.sc. | предвестники бедствия, катастрофы | precursors ("You don't need to go through life thinking that there's going to be an extinction-level event tomorrow," he remarked. "But there can certainly be the precursors taking place that could have a devastating effect on all of our lives."  coasttocoastam.com ART Vancouver) |
| gen. | природное явление, являющееся предвестником климатической катастрофы, связанной с изменением климата | climate canary (yad) |