放大器

amplifier

to put / to place / to release / to free / to let go / to let out / to set off (fireworks)

to enlarge / to magnify

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

very capable person / precious object

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

instrumentation amplifier

series amplifier

analog amplifier