She's very active, considering her age.
就她的年龄来说，她是十分活跃的。
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。
Mount Etna is one of the most active volcanoes on Earth.
埃特纳火山是地球上最活跃的火山之一。
Bats or hedgehogs live much longer than those which are always active.
蝙蝠或刺猬比那些时刻保持活跃的动物寿命长得多。
Living at the foot of one of the world's most active volcanoes might not appeal to you at all.
在世界上最活跃的火山脚下生活可能对你没有任何吸引力。
As soon as I played an active stock in my especial way, he began to get messages from the head office asking who it was that was operating.
我一用我的特别方法做了一只活跃的股票，他就开始收到总部发来的信息，询问是谁在操作。
Laughter also makes your brain more active.
笑还能让你的大脑更活跃。
Normally area of V5 would be stimulated as those moving stars are perceived and sure enough, Lavie found that during the task area of V5 was active, so people were aware of the moving starfield.
当移动的星星被大脑认知后，一般V5区域会被刺激到。果然，拉威发现在这个任务进行中，V5 区域是活跃的，因此人们是能感知到移动的星场的。
Andrew's teachers described him as gentle, shy and active.
安德鲁的老师形容他温和、害羞、活跃。
When winter arrives, many animals stop being active and disappear from sight.
冬季来临，许多动物不再活跃，从人们的视野中消失了。
Having some fun classroom activities can make students more active in class.
进行一些有趣的课堂活动可以使学生在课堂上更加活跃。
The chemical adenosine is released by brain cells when those cells are active.
这种化学腺苷是脑细胞活跃时释放的。
Another brain system often becomes active as one protests against the departure of a lover.
另一个大脑系统经常在一个人抗议爱人的离开时变得活跃。
Animals tend to be active or inactive depending on the position of the sun or moon.
动物是否活跃取决于太阳或月亮的方位。
It allows the temperature of the soil to remain warm enough for microbes to remain active.
它使土壤温度保持足够的温度，并让微生物保持活跃。
Cotman believes this hormone, which keeps neurons functioning, may prevent the brains of active humans from deteriorating.
考特曼认为，这种保持神经元功能的激素可能会阻止活跃的人的大脑恶化。
So say good night sooner and it may help you stay active and vital to a ripe old age.
所以，早点说晚安，它可能会帮助你到成熟的老年都保持活跃而有活力。
With 11 million active Warcraft subscribers out there, expect more records to be broken before the year is over.
因为有11万的活跃魔兽用户在那里，可以期待更多的记录在这一年结束之前可以被打破。
He is an active member of the school's stamp club, devoting most of his sparing time to stamp collecting.
他是学校集邮俱乐部的一位活跃会员，将他大部分的空闲时间用在集邮上。
Although they take in more calories in the morning, they are more active during the day because they have more energy.
虽然他们在早上摄入了更多的卡路里，但他们在白天更活跃，因为他们有更多的能量。
Animals such as cats and dogs are active animals.
像猫，狗之类的动物是非常活跃的。
Animals which save energy by hibernation or lethargy (e. g. bats or hedgehogs) live much longer than those which are always active
通过冬眠或昏睡来节省能量的动物（例如蝙蝠或刺猬）比那些一直很活跃的动物活得更久。
Other animals adapt, for example by staying active in winter.
其他动物靠着像在冬天里保持活跃状态的这种方式而适应下来了。
Beneath this active layer is a second layer called "permafrost", which is frozen all year around, and is impermeable to water.
在这一活跃层下面，是被称为“多年冻土”的第二层，终年冻结，不透水。
If you want to be active when you are on vacation, then try an active vacation.
如果你想在度假时活跃起来，那就尝试一个活跃的假期。
From the small number of impact craters that appear on Martian lava flows, one can estimate that the planet was volcanically active as recently as a half-billion years ago—and may be active today.
从火星熔岩流上出现的少量陨石坑中，我们可以估计，在5亿年前，这个星球上的火山还很活跃——也许现在依然活跃。
Previously it was primarily airport hotels and other facilities offered in the surrounding area of the airport that had the potential to take on this role and become active as a business space.
以前，主要是机场周边地区的机场酒店和其他设施有潜力承担这一角色，成为活跃的商业空间。
There was a time when social pressures were killing off the Welsh language, but after years of efforts, it is now an active part of Welsh life again.
曾经有一段时间，社会压力使威尔士语逐渐消亡，但经过多年的努力，威尔士语现在再次成为威尔士人生活中活跃的一部分。
When the egg is fertilized, the substances become active and, presumably, govern the behavior of the genes they interact with.
当卵子受精时，这些物质变得活跃起来，并可能控制与它们相互作用的基因的行为。
When the egg is fertilized, the substances become active and, presumably, govern the behavior of the genes they interact with.
当卵子受精时，这些物质变得活跃起来，并可能控制与它们相互作用的基因的行为。
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