| English | Russian |
| at the boundary between and | на рубеже (двух периодов; The dinosaurs became extinct at the boundary between the Mesozoic and the Tertiary period. ArcticFox) |
| occur at great depth, occur at depths between and | залегать на большой глубине (The reservoirs occur at depths between 3000 and 5000 m. ArcticFox) |