One group developed in an "enriched" environment, which allowed the rats to interact with other rats, play with toys, and receive maze training.

一组老鼠在“充实”的环境中成长，这使得老鼠可以与其他老鼠互动、玩玩具，并接受迷宫训练。

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If current and voltage are fluctuating, however, other factors come into play, as the current and voltage interact with each other.

如果电流和电压变动，其它因素开始作用，因为电流和电压是互相影响的。(译者注：其它因素？)

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In the new system, two human divers interact in front of dolphins: First they play a synthesized whistle sound, then one hands the other a scarf or a piece of seaweed.

在新的系统里，两个人类潜水员在海豚面前交流：首先他们播放一声合成的哨音，然后其中一个人交给另一个人一块帕子或者一片水草。

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So let's go ahead and introduce a couple other capabilities so that we can finally start writing programs that maybe print out charts or interact with the user, play games, or the like.

让我们继续来介绍其他几个功能,以便我们最终能开始写程序,那样可以打印图表或与用户交互，打游戏之类的。

哈佛公开课 - 计算机科学课程节选

Why not let the fans interact, play the game, and decide who is the better team?

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Simply put, these devices will help bring "game night" back to its roots through shared experiences where families and friends gather around the system to interact, play and have fun.

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We want them to be able to play and interact with it wherever they play.

FORBES: Connect