preamplify

词形变化

preamplifies 三单 preamplifies preamplifying preamplifying 现在分词 preamplified 过去式 preamplified 过去分词

释义与例句

v.
  1. 1.

    To amplify a low-level input signal, producing an output that can serve as the input to a higher-level amplifier.

    及物

词源

From pre- + amplify.

来源：wiktionary