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]
正在
zhèng zàiㄓㄥˋ ㄗㄞˋ
in the process of (doing something or happening); while (doing)[cedict]
奔跑
bēn pǎoㄅㄣ ㄆㄠˇ
to run[cedict]
的
deㄉㄜ˙
díㄉㄧˊ
dìㄉㄧˋ
of; structural particle: used before a noun, linking it to preceding possessive or descriptive attributive[cedict]