Byr
导读：Byr读音音标
Byr意思解释
abbr.billion years 十亿年； 英英释义 ByrThe abbreviation byr means \"billion years\"(109 or 1,000,000,000 years). A closely related abbre
Byr意思解释
abbr.billion years 十亿年； 英英释义 ByrThe abbreviation byr means \"billion years\"(109 or 1,000,000,000 years). A closely related abbre
Byr读音音标
Byr意思解释
abbr.
billion years 十亿年；
英英释义
ByrThe abbreviation byr means \"billion years\"(109 or 1,000,000,000 years). A closely related abbreviation is bya \"billion years ago\".
