单词	回声振幅
释义	回声振幅 echo amplitude
随便看	amount of squandered by amount of standard output per working day amount of static cushion deformation amount of stocking amount of stone Amount of strobilus amount of student source amount of superabsorbent amount of surplus value amount of surplus-value amount of subscription amount of subsidence amount of substance amount of substance concentration amount-of-substance concentration amount of substance con-centration amount-of-substance concen-tration of B amount-of-substance fraction amount of sums assured amount of survival amount of sweat amount of talks amount of taper amount of tax amount of tax evaded