 |
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| мерзлотного происхождения | |||
| неизвестного происхождения (напр., о сепсисе); криптогенный (of obscure or unknown origin: Hill died Thursday of cryptogenic organizing pneumonia, a rare lung condition, at his home in Omaha, Nebraska, a family spokesperson announced. —Mike Barnes, The Hollywood Reporter, 9 Jan. 2023) | |||
| cryptogenic: 21 phrases in 2 subjects |
| Makarov | 4 |
| Medical | 17 |