that; those; commonly pr. nei4 before a classifier, esp. in Beijing[cedict]
应该
yīng gāiㄧㄥ ㄍㄞ
ought to; should; must[cedict]
在
zàiㄗㄞˋ
(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[cedict]
辅助
fǔ zhùㄈㄨˇ ㄓㄨˋ
to assist; to aide[cedict]
反馈
fǎn kuìㄈㄢˇ ㄎㄨㄟˋ
to send back information; feedback[cedict]
电路
diàn lùㄉㄧㄢˋ ㄌㄨˋ
(electric) circuit[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]