the voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb
a person who is a participating member of an organization
例句
用作名词 (n.)
Hello, may I ask how much you need for a detergent actives? 你好,请问你需要活性物为多少的洗衣粉?
The effectiveness of anti-caries actives formulations based on sodium fluoride or sodium mono-fluorophosphate are confirmed. 对以氟化钠和一氟磷酸钠为基础的抗龋活性物配方的有效性给予了肯定。