n. a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity
词态变化
原型:decibel
变形:s
常见例句
1
a logarithmic unit of sound intensity equal to 10 decibels n
2
occurs both in a hard black crystal and in the form of a yellow or brown powder n a logarithmic unit of sound intensity equal to 10 decibels n (physics) a unit of nuclear cross section
