过去几周内，这个地区发生了几起盗窃案，因此我想谈谈如何保护家庭和财产安全的话题。

There have been several burglaries in the area in the last few weeks and I'd like to talk about ways you can keep your home and property safe.

youdao

例如，汽车制造商正在尝试使用微型设备，这些设备能够感知何时释放安全气囊，以及如何保持引擎和刹车有效运转。

Auto manufacturers, for example, are trying to use tiny devices that can sense when to release an airbag and how to keep engines and breaks operating efficiently.

youdao

一些关于如何舒适安全地背背包的建议。

Some advice on how to carry backpacks comfortably and safely.

youdao

Can you give us a couple of examples what he'd do in a day or when a situation arises to safeguard the national security.

你可以举些例子,说说总统每天做什么,当情况发生时如何处理,来确保国家安全吗。

普林斯顿公开课 - 国际座谈会课程节选

The personal aid isn't a National Security offical but a person always knows what the president's schedule is, has his briefing book, his speech, his man, whatever the president needs to just keep functioning.

私人助理不是国家安全部官员,但是他必须知道,总统的行程如何，拿着他的简报，他的发言，他的人手安排，一切总统维持正常工作,所需要的东西。

普林斯顿公开课 - 国际座谈会课程节选