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| English | Russian |
| climb with incredible rapidity | лазить с невероятной быстротой (with monkey-like agility, with great boldness, with fearlessness, with great assurance, etc., и т.д.) |
| high rapidity | быстроходность |
| rapidity of growth | гонкость (of trees) |
| with lightning rapidity | с быстротой молнии |
| with lightning rapidity | молниеносно |