She waved her arm like she was flagging down traffic until Mr. Porto called on her.

她挥动着手臂，就像是在挥手让车辆停下来，直到博多先生点她的名字方才罢休。

youdao

Visibility at the city's airport came down to zero, bringing air traffic to a standstill.

这个城市机场的能见度下降到了零，使航空运输陷入停顿状态。

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The traffic police flagged the passing car down.

交通警察挥旗命令那辆经过的汽车停下来。

youdao

"So what this program has done is the amount of traffic is gone down by 20 to 25 percent.

VOA: standard.2010.07.26

Just come in and settle down, because it's very hard to lecture with this amount of traffic.

进来以后就赶紧坐下来,你们这样乱糟糟的我讲不下去

耶鲁公开课 - 基础物理课程节选

The European air traffic control agency Eurocontrol said only 6,000 flights would take place in European airspace Saturday - down from the 22,000 normally expected.

VOA: standard.2010.04.17

Perhaps the rationale is to do us all a favor by slowing down traffic.

FORBES: An Appeal to Slow Drivers -- Do Enlighten Us

As Acpo's roads chief, Hughes had argued in favour of "less conspicuous" speed cameras as a way of slowing down traffic.

BBC: RELATED BBC SITES

In the past, controllers worried so much about being disciplined that they would keep jets five or six miles apart, slowing down traffic.

WSJ: Flight Nightmares Overshadow Airlines�� Improving Record