and; as well as; and so; but (not); yet (not); (indicates causal relation); (indicates change of state); (indicates contrast)[cedict]
不
bùㄅㄨˋ
(negative prefix); not; no[cedict]
被
bèiㄅㄟˋ
by (indicates passive-voice sentences or clauses); to cover; to wear[cedict]
发现
fā xiànㄈㄚ ㄒㄧㄢˋ
to find; to discover[cedict]
接收器
jiē shōu qìㄐㄧㄝ ㄕㄡ ㄑㄧˋ
receiver[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]