a.active与a:active我看有人用a.active的,这个跟a:active有啥区别?

a.active与a:active我看有人用a.active的,这个跟a:active有啥区别? active前面加a还是an,take an active part take part in与join.jOinin有什么区别? Active active 充满活力的英语怎么说 A打头不是Active 不是Active 不是Active 不是Active 不是Active 不是Active 不是Active A打头A打头A打头A打头A打头A打头A打头A打头A打头 active与activity有什么区别 active和smart的a相同吗 Active boy前面加a还是an It's a good way to develop your active grammar and vocabulary?求中文意思?active 请问Active 今天看公司档案在职员类型说明里我被定义为Active Wage 我的世界active是什么意思 英语作文:How to live a healthy and active life 英语作文:How to live a healthy and active life take an active part in 为什么加a As a young man,he was active in sports active和eggpiang中的“a”发音相同吗? You must an active rather than a passive student意思? a much -loved and active sport 的翻译