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slowly but surely betyr russisk

EngelskRussisk
slowly but surely (in a slow, yet careful manner)
adverb
[UK: ˈsləʊ.li bʌt ˈʃʊə.li]
[US: ˈsloʊ.li ˈbət ˈʃʊr.li]

медленноadverb

но верноadverb