全部

1·He is always active in class.

他在课堂上总是很积极。youdao

2·There are many active volunteers in this community.

这个社区有很多活跃的志愿者。youdao

3·These kids are very active and full of energy.

这些孩子非常活泼，充满活力。youdao

4·She took active measures to solve the problem.

她采取了主动的措施来解决问题。youdao

5·This active ingredient is good for the skin.

这种活性成分对皮肤有益。youdao

6·We need an active device to strengthen the signal.

我们需要一个有源的设备来增强信号。youdao

7·This method is active.

这个方法是有效的。youdao

8·He is an active serviceman.

他是一名现役军人。youdao

9·The team members are all active in the project.

团队成员都很积极参与项目。youdao

10·There are many active people in the park.

公园里有很多活动的人群。youdao

积极

1·They were both politically active.

他们两人在政治上都很积极。《牛津词典》

2·He has dropped out of active politics.

他已不再积极参政了。《牛津词典》

3·Companies need to take active steps to increase exports.

那些公司需要采取积极的措施来增加出口。《柯林斯英汉双解大词典》

4·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。《牛津词典》

5·The church and the laity were increasingly active in charity work.

教会与俗众越来越积极于慈善工作。《柯林斯英汉双解大词典》

活跃

1·She's very active, considering her age.

就她的年龄来说，她是十分活跃的。《牛津词典》

2·Although he's nearly 80, he is still very active.

尽管快80岁了，他还是十分活跃。《牛津词典》

3·She is still very active, in spite of her advancing years.

她尽管年事渐高，仍然十分活跃。《牛津词典》

4·Ground squirrels are normally active by day and sleep at night.

地松鼠一般白天活跃晚上睡觉。《柯林斯英汉双解大词典》

5·Even in the 1960s, politically active students and academics were in a minority.

即使是在20世纪60年代，政治上活跃的学生和高校教师也是占少数。《柯林斯英汉双解大词典》

活动的

1·Guerrilla groups are active in the province.

游击队组织在该省活动。《柯林斯英汉双解大词典》

2·The active suspension system gives the car a very smooth ride.

活动的悬挂系统使汽车行驶起来非常平稳。《柯林斯英汉双解大词典》

3·The scouts are active under the enemy's very noses.

侦察兵就在敌人眼皮底下活动。《新英汉大辞典》

4·According to the passage, the mice fed with daytime milk were less active.

根据这篇文章，白天喝牛奶的老鼠活动较少。

5·The system also attempts to match this phoneme stream with an entry in an active grammar.

该系统还尝试把这个音素流与活动语法中的条目匹配起来。

主动的

1·REM sleep is termed 'active' sleep.

快速眼动睡眠称作“主动”睡眠。《牛津词典》

2·Learning has got to be active and experiential.

学习得是主动且来自经验的。《柯林斯英汉双解大词典》

3·Non-consuming activities are active, not passive.

非消费活动是主动的，而不是被动的。

4·Energy usage devoted to active learning accounts for a big part of it.

专门用于主动学习的能量使用占了能量总数的很大一部分。

5·The students turned what could have been a passive interaction into an active one.

这些学生们把原本可能是被动的互动变成了主动的互动。

活性的

1·Yogurt is made from active cultures.

酸奶是由活性培养菌制成的。《牛津词典》

2·Caffeine is the active constituent of drinks such as tea and coffee.

咖啡因是茶和咖啡这类饮品的活性成分。《柯林斯英汉双解大词典》

3·The active ingredient in some of the mouthwashes was simply detergent.

某些漱口剂中的活性成分只是清洁剂而已。《柯林斯英汉双解大词典》

4·Bitter gourd contains a physiologically active protein that can help improve immune functions and prevent cancer.

苦瓜中含有生理活性蛋白质，可以帮助提高免疫功能和预防癌症。

5·Mechanistic studies would help identify the active ingredients in the pomegranate and their direct mode of action.

机制研究将有助于确定石榴中的活性成分及其直接作用模式。

有源

1·The optimum design of the controller of compound active noise cancellation earmuff is discussed.

探讨了复合式有源消声耳罩的控制器的优化设计方法。

2·And although the sensors in active systems can be powered by batteries, the actuators that move the heavy weights cannot be.

而且，虽然有源系统的传感器可以通过电池供电，但促动器就不能移动重物。

3·This has prompted engineers to devise active dampers that use sensors to monitor the building's movement and powered actuators to respond accordingly by moving weights placed on the upper floors.

这问题促使工程师们设计出利用传感器监测建筑物运动的有源阻尼器，和照着定位在上层楼面的移重而回应的动力促动器。

4·This has prompted engineers to devise active dampers that use sensors to monitor the building’s movement and powered actuators to respond accordingly by moving weights placed on the upper floors.

这问题促使工程师们设计出利用传感器监测建筑物运动的有源阻尼器，和照着定位在上层楼面的移重而回应的动力促动器。

5·New technologies like active pixel displays, passive displays and pico projectors will have an impact.

类似有源像素显示、无缘显示和超微投影仪这类新技术将带来一定的影响。

有效的

1·What is the active ingredient in aspirin?

什么是阿司匹林中的有效成分？《牛津词典》

2·These links are not yet active.

这些链接现在还不是有效的。

3·The 10 users are not in the active user list in the workload run.

这10个用户不在工作负载运行时的有效用户列表中。

4·Herbal medicines include herbs, herbal materials, herbal preparations, and finished herbal products that contain parts of plants or other plant materials as active ingredients.

草药包括药草、草药材、草药制剂和草药成品，包含作为有效成分的植物部分或其它植物材料。

5·The plasma is pooled in batches of tens to hundreds of litres, and processed to extract the active immunoglobulin fraction.

血浆汇集成数十升至数百升一批，然后进行加工以提取有效的免疫球蛋白部分。

活泼

1·However they acknowledged there could be a downside to a strategy that seeks to turn active children into bookworms.

然而，他们说这个“策略”也有其不利的一面，那就是读太多书会把活泼的孩子变成“小书虫”。

2·The lazy man has an infinitely keener perception of metaphysical reality than the active one.

比起活泼的人，懒惰的人对形而上学的现实有着无限的热衷。

3·I was pleased to see so many real animals at the same time. They seemed so lovely and active.

我很高兴能同时看见那么多活灵活现的动物，他们看上去又活泼又可爱。

4·Last year, McDonald's even announced a sporty makeover for Ronald McDonald, its mascot clown, in a bid to encourage children to be more active.

去年，麦当劳甚至还宣布要对它的小丑吉祥物——麦当劳叔叔进行翻新改造，使其具有运动型外表，以鼓励孩子们更为活泼。

5·Everyone one can agree - one hopes - that kids should be physically active and physically fit.

每个人都同意、也都希望孩子应当动感活泼、体态匀称。

现役的

1·They will also allow active soldiers a chance to speak out.

调查人员也将给予现役军人机会，让其吐露心声。

2·Mr Sangakkara is the first active player to criticise the way the sport is run, and to an international audience.

Sangakkara 是第一个批评体育运作方式的现役的国际运动员。

3·So I think that Phil has the best chance of any other active coach to keep Artest relatively sane.

所以我认为菲尔是现役教练中最有可能让阿泰保持相对理智的一位。

4·It is called the gold star Mothers speech. A gold star mother is a mother whose child has died in active U. S. military service.

它被称之为“金星母亲”演讲。金星母亲是指孩子在美国服现役期间死亡的母亲。

5·No active fighter can come close to equaling De La Hoya's name recognition and earning power.

没有一个现役拳手能够媲美霍亚的名声和票房。

(1)active in积极于

(1)active role积极任务；活跃角色

(1)active part积极的作用；能动部分，主动部分

(1)active power有功（有效）功率

(1)active carbon活性炭；活性炭黑

(1)surface active表面活性的