Think of it as copper being a crossing guard.

你可以把铜想象成一个十字路口的警卫。

D... do you need, like, a crossing guard or a cab maybe?

你是不是需要个人带你过马路 或者一辆的士？

A crossing guard in South Carolina has found a way to follow this advice and keep working well into her 90s'.

南卡罗来纳州的一名边防队员已经找到了一种方法来遵循这一建议，并在90多岁时保持了良好的工作状态。

Didn't he see the crossing guard or the other pedestrians?

卡拉：他没看到过马路的警卫或其他行人吗？

The giant, hairy crossing guards are part of a Department of Transportation program.

巨大的毛茸茸的十字路口警卫是交通部项目的一部分。

The crossing guard was there to stop traffic so we could cross the street.

过路警卫在那里阻止交通，所以我们可以过马路。

We call these people " crossing guards" (guard).

我们称这些人为“过路卫士”（guard）。

When I was growing up, the older children worked as crossing guards.

在我成长的过程中，大一点的孩子做过路的警卫。

Several South American cities have hired mascots and mimes as crossing guards whose main job is to ridicule those who don't obey the traffic laws.

有几个南美城市聘请了吉祥物和哑剧演员当穿越马路的警卫，而他们主要的工作是嘲笑那些不遵守交通规则的人。

But when they do walk, there are often crossing guards at the corners near the school so the children can get across the street safely.

但是当他们走路时，学校附近的拐角处经常有过路警卫， 这样孩子们就可以安全地过马路。