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amplification .æmplifi'keiʃәn

TOEFL

释义

n. 扩大, 放大
[化] 放大; 放大作用

英文释义

n. addition of extra material or illustration or clarifying detail
n. the amount of increase in signal power or voltage or current expressed as the ratio of output to input
n. (electronics) the act of increasing voltage or power or current

词形变化

复数: amplifications

BNC词频排名: 12,886 | 当代语料库词频排名: 17,701