one; 1; single; a (article); as soon as; entire; whole; all; throughout[cedict]
根
gēnㄍㄣ
radical (chem.); root; basis; classifier for long slender objects, e.g. cigarettes, guitar strings[cedict]
在
zàiㄗㄞˋ
(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[cedict]
上
shàngㄕㄤˋ
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]