集中器

concentrator

to gather / to collect / collected works / classifier for sections of a TV series etc: episode

to concentrate / to centralize / to focus / centralized / concentrated / to put together

China / Chinese / surname Zhong

within / among / in / middle / center / while (doing sth) / during / (dialect) OK / all right

to hit (the mark) / to be hit by / to suffer / to win (a prize, a lottery)

device / tool / utensil / CL:臺|台[tai2]