on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]
发现
fā xiànㄈㄚ ㄒㄧㄢˋ
to find; to discover[cedict]
书
shūㄕㄨ
book; letter; same as 書經|书经 Book of History[cedict]