Complex sentence: The book is written in a complex and poetic Hebrew (apart from verse 10:11, curiously written in Biblical Aramaic) and has come down in two distinct though related versions, one in Hebrew, the other known from a Greek translation.
Split into simpler sentences: The book is written in a complex and poetic Hebrew (apart from verse 10:11, curiously written in Biblical Aramaic). It has come down in two distinct though related versions, one in Hebrew, the other known from a Greek translation.