MOZART在只有4岁的时候开始谱写曲子的翻译：When MOZART was only 4 years old began composing music 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

mozart in only four years old began to write a song

When MOZART was only 4 years old began composing music

MOZART at only then 4 year-old time starts to compose the song

正在翻译，请等待...

When MOZART was only 4 years old began composing music