【activity音标】 英[ækˈtɪvəti] 美[ækˈtɪvəti]
【单词释义】 activity是什么意思：
n.活动；活跃，敏捷；活动力；教育活动
[单词分级] 中考英语词汇
[单词复数] activities
【关联词/派生词】
active adj.积极的，活跃的
inactive adj.不活跃的；怠惰的；无作用的；未使用的；闲置的
actively adv.活跃地；积极地；主动地；有活力地
inactivate v.使不活动；使失去活性；使不活泼；阻止活动
inactivity n. [U]不活泼；不做任何事，不活动，不工作；静止，休止状态；不放射性
activist n.积极分子；活跃分子；激进分子
【activity形近词/近似词】
relativity n.[U]相对论；相关性；相对性
productivity n.[U] 生产率，生产力
festivity n. [U]欢庆；欢乐；[pl.] 庆祝活动
radioactivity n.放射（性）；放射现象；放射物；辐射能
sensitivity n.[U] 敏感，感受性；体贴，有分寸；敏感性
【单词例句】
◇ Their average age was 72. The women all agreed to clip on wearable devices to track their steps as they went about their day-to-day activities.
她们平均72岁，这些女性都同意在日常活动中佩戴可穿戴设备，跟踪自己的步数。
---- How Many Steps You Need To Take A Day To Maintain Good Healt
◇ The shift reverses a long-standing prohibition against tourists and private interests at the orbiting research lab, and reflects a broader push to expand commercial activities at the ISS and in space more generally.
长期以来，轨道研究实验室都禁止游客和私人机构到访，而这一转变推翻了这一禁令，同时也表明美国国家航空航天局将在国际空间站和太空中更广泛地扩大商业活动。
---- NASA to open space station to private citizens
◇ "Even if we maintained the current status quo and not a single other carbon molecule was released because of human activity," he said, "we'd still see the effects of climate change for at least 300 years from just the emissions that are already in the system."
他说：“即使我们维持目前的现状，不再因为人类活动而有更多的碳排放，但由于生态系统中已经存在的碳排放，在未来300年内，我们仍然可以看到气候变化的影响。”
---- World's population could swell to 10.9 billion by 2100
◇ Certified strength and conditioning specialist Kyle Firmstone has seen many problematic treadmill activities. Firmstone said you shouldn't walk too close to the console, jump off and on while the machine is still in motion, or set the treadmill to a speed faster than you can handle.
力量和调节认证专家凯尔·费尔姆斯通见过很多使用跑步机的错误做法。费尔姆斯通指出，不能走得离控制台太近，也不能在跑带仍在移动的时候跳上跳下，或是给跑步机设定的速度超出自己的能力范围。
---- How to use treadmills safely
◇ "Technically, you should do something every day, and by something I mean physical activity - just move. Because we're finding more and more that the act of sitting counteracts any of the activity you do."
“严格来说，你每天都要练点啥，也就是说要活动一下。因为我们越来越清楚，久坐是会抵消掉你的锻炼成果的。”
---- Common fitness misconceptions
◇ The lead researcher, Dr Aron Onerup, said "some physical activity is better than none, that more physical activity is better for optimal health outcomes", and emphasised that it is never too late to get fit to reap health protective benefits.
该研究的首席研究员阿伦·奥内洛普博士表示，“有锻炼比没有强，锻炼得越多，身体就越健康”，他还强调，为了健康而锻炼永远不会太晚。