Portugese sailors walking through street.

走在街头的葡萄牙水手。

You have to be especially careful crossing a through street.

你穿过干道时应格外小心.

You can imagine all kinds of uses for this technology, from public internet access through street lamps to auto-piloted cars thatcommunicate through their headlights.

你可以想象，这一技术各式各样的应用，从各种路灯接入公共网络到自动驾驶的汽车通过前灯交换数据。