Some people are active的意思|示意

Outdoor games involve more and faster movements. Some active people like them. Indoor games are quiet and involve less movements.

户外运动包括更多和更快的运动，有些人喜欢户外运动；室内运动比较安静、运动量较小。

People are all at their work, so having some kind of recreation after work or at weekends will relax the mind. In fact, good ways of recreation will make people more active in their work.

人们一直忙于工作，所以下班或周末适当的娱乐可以让他们放松一下，事实上，适当的娱乐可以使人们工作更积极有效。

Recently people are active in the study on high performance modification techniques for PP. Some very important modification techniques for PP are introduced in this paper.

有关聚丙烯的高性能化技术的研究近年来十分活跃，本文仅介绍其中几种典型的改性技术，供大家参考。

Try to join more discussion groups, or become active in some activities with other people you are unfamiliar with.

比如，参加一些讨论小组，和原来不怎么熟悉的人一起开展一些活动。

People are all at their work, so having some kind of recreation after work or at weekends will relax the mind. In fact, good ways of recreation will make people more active in their work.

人们都有自己的工作，所以在周末工作之余，做一定的娱乐会放松他们的头脑。事实上，好的放松办法会让人们在工作中更积极。

Outdoor games involve more and faster movements. Some active people like them. Indoor games are quiet and involve less movements.

一些人喜欢户外运动，而另外一些人喜欢室内运动。