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]
投手板
(n) pitchers plate[edict]
投球
(n,vs) pitching; throwing a ball; bowling (in cricket); pitched ball; (P)[edict]