b & aactive: adj. 1.活动的,有活动力的;【生物学】活性的;【电 ...活跃: brisk; active; dynamic; live ...和: mix; blend灵敏: sensitive; keen; quick; agil ...的: 4次方是 The fourth power of 2 i ...下载手机词典可随时随地查词查翻译