词汇	双层物
释义	双层物 double-decker
随便看	acoustic emission wave guide acoustic-emitter acoustic emlssion acoustic enclosure acoustic fault acoustic feature acoustic features acousticfeedback acoustic filtering acoustic filters acoustic fingerprint acoustic energy acoustic energy density acoustic energy flow acoustic energy ratio acoustic engineering acoustic enhancement acoustic entrainment of seed particle acoustic enviromnent acoustic environment acoustic environmental design acoustic environmental quality acoustic environmental support detachment acoustic epilepsy acoustic epithelium