Verbs come in two types, active and passive.

动词有两种语态，主动式和被动式。

And it's not just passive structures, it's entire machines.

不光是被动式结构，整个机器也已经造出来了。

The passive takes you away from the event itself a little bit.

被动式能让你有远离该事件本身的作用。

Or they can be more simple, passive designs that use springs and dampeners.

也有较简单的运用弹簧和减震器的被动式设计。

I've been, it's been, I did manage to use a passive here, so I was asked to go.

I've been，it's been，我确实在这里成功地使用了被动式，所以我被要求去。

Passive solar energy doesn't use any equipment.

被动式太阳能不使用任何设备。

So, you can use the passive to talk about simple facts like this, about which currency is used in which countries.

你可以像这样，用被动式来陈述简单的事实，来说明哪个国家用哪种货币。

So, if you can say by who, by a person, by someone, by a body of people - you're using the passive.

如果你用到被某人，由某人，由某个人—你就是在使用被动式。

Today there are passive wearables that automatically detect falls, and camera-based surveillance systems to monitor elder safety.

如今，有可自动检测跌倒的被动式可穿戴设备，以及用于监控老年人安全的基于摄像头的监控系统。

" The earthquake toppled the Central Bank." You can do this in the passive, and you can read this in a newspaper or hear it on a news report, on TV, or on your laptop, or whatever screen you're using.

“地震摧毁了中央银行。”你也可以说成被动式，你可以在报纸上读到，也可以在新闻报道、电视、笔记本电脑或任何你正在使用的屏幕上看到。