1. | （尤指体力上）忙碌的，活跃的always busy doing things, especially physical activities |
Although he's nearly 80, he is still very active. 尽管快 80 岁了，他还是十分活跃。 |
2. | 积极的involved in sth; making a determined effort and not leaving sth to happen by itself |
They were both politically active. 他们两人在政治上都很积极。 | |
active involvement/participation/support/resistance 积极参与╱参加╱支持╱抵抗 | |
She takes an active part in school life. 她积极参加学校活动。 | |
The parents were active in campaigning against cuts to the education budget. 学生家长积极参加反对削减教育预算的活动。 | |
They took active steps to prevent the spread of the disease. 他们采取积极措施，防止疾病蔓延。 |
3. | 定期进行的；起作用的doing sth regularly; functioning |
sexually active teenagers 有性生活的青少年 | |
animals that are active only at night 仅在夜间活动的动物 | |
The virus is still active in the blood. 这种病毒仍然在血液中起作用。 | |
an active volcano(= likely to erupt ) 活火山 |
4. | 活跃的；（思想上）充满活力的lively and full of ideas |
That child has a very active imagination. 那个小孩想象力十分丰富。 |
5. | 起化学作用的；有效的having or causing a chemical effect |
What is the active ingredient in aspirin? 什么是阿司匹林中的有效成分？ |
6. | 主动语态的connected with a verb whose subject is the person or thing that performs the action |
In ‘He was driving the car’, the verb is active. 在 He was driving the car 一句中，动词是主动语态。 |
