全部

1·As for red, it is the color which usually shows warning, as a result, some traffic signs use this color.

至于红色，它通常是表示警告的颜色，因此，一些交通标志会使用这种颜色。

2·Think about all the other service workers we have in this community. We have people who collect waste and rubbish and keep our community sanitary. We have road workers who put up and repair traffic signs and fix holes in the streets to protect not just us, but our cars!

想想这个社区的其他服务人员。我们有收集垃圾的人，他们负责保持社区卫生；我们有道路工人，他们竖起、修理交通标志牌，维修道路，不仅保护着我们自己，也保护着我们的汽车！

3·These are traffic signs.

这些是交通标志。

4·This highly visible hue is found on everything from bumblebees to school buses, traffic signs to highlighters.

从大黄蜂到校车，从交通信号到标记笔，这种高度可见的色调随处可见。

5·Since yellow can be seen well at all times of the day, school zones, some traffic signs, and school buses continue to be printed yellow.

由于黄色在一天中的任何时候都可以清晰地被看到，所以学校区域、一些交通标志和校车继续被印成黄色。

6·Traffic signs warn you of other traffic signs ahead.

交通指示牌警告你前面有其他指示牌。

7·Obey traffic signs and signals.

遵守交通标志和信号。

8·Obey traffic signs and signals.

汽车驶过交通信号。

9·Obey traffic signs and signals.

交通信号灯是绿色。

10·We did not notice the traffic signs.

我们未注意到交通标志。