Learning has got to be active and experiential.
学习得是主动且来自经验的。
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。
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。
Be active to start a conversation.
积极主动地开始一段对话。
It also gives us energy, so we can be active all day.
它也赋予我们能量，我们因此可以整日活跃。
The second secret to living a happy life is to be active.
幸福生活的第二个秘诀就是要积极主动。
Mr.Smith always encourages his students to be active in class．
史密斯先生总是鼓励学生在课堂上要活跃。
If reading is to learn anything more than passing time, it must be active.
如果读书是为了学到点什么，而非仅仅为消磨时间，那它必须是主动的。
Next, when having a class, be active to think about what the teacher says and express yourself.
其次，上课的时候，积极思考老师说的话并表达自己的想法。
滕伯雷奥说：“人们应该更活跃些。
你总是非常活跃？
Play with them outside, and be active.
主动和他们进行室外活动。
Web data sources can be active or passive.
Web数据源可以是活跃的或者休眠的。
Join, and be active in, an association.
参加一个协会并在里面积极的表现。
Only one base layer can be active at a time.
一次只能激活一个基础层。
Only a single policy set can be active at a time.
只有单个策略集在某一时间可以是活动的。
Only one messaging engine can be active per cluster.
每个集群只能有一个活动消息传递引擎。
To be active in academic and in-class discussions.
能积极主动地参加学术研讨或导师主持的课堂讨论。
In art, it's the mind, not the eye that should be active.
在艺术创作中，活跃的应该是思维，而不是眼光。
What you end up promoting is a very general message to be active.
活跃起来做点什么可以是个很笼统的信息。
STOP_APPLY cannot be active in order to start an external archive.
为了启动外部存档，STOP _ APPLY不能是活动的。
The main menu links for the static pages should now be active.
现在，应该激活了静态页面的主菜单链接。
This doesn’t mean you should be active on all of these services.
这不意味着你应该在所有这些服务上面活动。
But learning should be a lifelong activity - that is, it should be active.
其实学习一件终生的事情，它应该是主动的。
The brain needs to be active to stay young and develop new connections.
大脑要靠活跃来保持年轻并建立新的联系。
That means both old and new satellites need to be active at the same time.
那意味着新旧卫星要同时运行.
Without enough sleep, it may be hard to be active or to make good food choices.
如果睡眠不足，孩子们很难活跃也很难有个好胃口。
Without enough sleep, it may be hard to be active or to make good food choices.
如果睡眠不足，孩子们很难活跃也很难有个好胃口。
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