one; 1; single; a (article); as soon as; entire; whole; all; throughout[cedict]
次
cìㄘˋ
next in sequence; second; the second (day, time etc); secondary; vice-; sub-; infra-; inferior quality; substandard; order; sequence; hypo- (chem., meaning extra oxygen atom); classifier for enumerated events: time[cedict]
(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[cedict]
平台
píng táiㄆㄧㄥˊ ㄊㄞˊ
platform; terrace; flat-roofed building[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]