单词	主声信号
释义	主声信号 main audio signal
随便看	keeping advancement keeping advance with the time keeping ahead keeping alive keeping alivesurvival rate Keeping alive without water keeping aloof from worldly affairs keep in check keep in close contact keep in constant touch keep in contact keep in contact with keep in custody keep in custody after sealing Keep In Dark Place keep indoors Keep In Dry Place keep informed keep informed of keeping keeping abreast Keeping abreastof the latest developments keeping a low profile keeping amount of equipment keeping and handling expense