Beta (UK: / ˈ b iː t ə /, US: / ˈ b eɪ t ə /; uppercase Β, lowercase β, or cursive ϐ; Ancient Greek: βῆτα, romanized: bē̂ta or Greek: βήτα, romanized: víta) is the second letter of the Greek alphabet. In the system of Greek numerals, it has a value of 2. In Ancient Greek, beta represented the voiced bilabial plosive IPA:.
2024年9月8日 · β • (v) (lowercase, uppercase Β) Lower-case beta , the second letter of the modern Greek alphabet. It represents the voiced labiodental fricative: /v/. It is preceded by α and followed by γ.