doppelkreuz-zeichen означает в английский

sharp [sharps]▼◼◼◼noun
[UK: ʃɑːp] [US: ˈʃɑːrp]

hash [hashes]▼noun
[UK: hæʃ] [US: ˈhæʃ]

number sign [number signs]▼noun
[UK: ˈnʌm.bə(r) saɪn] [US: ˈnʌm.br̩ ˈsaɪn]