She did not use any safety devices, such as a seat belt or parachute.

她并没有使用设备，比如带或降落伞。

The auto industry added safety devices like seat belts and air bags.

汽车业增加了带和气囊等。

The safety device cuts in automatically.

【cut】在需要时会自动开启。

Teoh said the findings could be valuable for trucking companies and drivers who are considering whether to get safety devices on their next vehicles.

提欧表示，这一发现对于正在考虑是否要在其以后的新车上的卡车运输公司和驾驶员来说，十分具有参考价值。

'SmartHalo', which costs $150, also has a built-in safety device that flashes red and sounds a loud alarm if someone tries to steal the bike.

“SmartHalo”的售价为150美元，并内，如果有人想要窃取自行车，该设备将显示红灯，并发出警报。