You can join them, by following Eckberg and his class as they track the adventures of Dan and Steve Buettner, two world-class bicyclists from U.S.A..

您可以跟随 Eckberg 和他的班级加入他们的行列，他们跟踪来自美国的两位世界级自行车手丹和史蒂夫·布特尼的冒险经历。

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It's called Smart Wheel, and it's designed to fit over the steering wheel of most standard vehicles to track whether or not the driver has two hands on the wheel at all times.

它被称为智能方向盘，它的设计适合大多数标准车辆的方向盘，用来跟进驾驶员是否一直将两只手放在方向盘上。

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I had two daughters. We made the track across the Ohio and New Jersey turnpikes. We came north.

我有两个女儿。我们穿过俄亥俄和新泽西的高速公路。我们来到北方。

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Ambassador Rice, told reporters the United States and its partners, have been pursuing a two-track approach to resolving the Iranian nuclear issue.

VOA: standard.2009.11.30

But she noted that the United States and its partners in the P-Five-Plus-One group the five permanent U.N.Security Council member countries and Germany are pursuing a two-track strategy of incentives for Iranian nuclear cooperation and "consequences" if it fails to fulfill international nuclear obligations.

VOA: standard.2009.11.09

But the project's current phase also includes replacement of five two-track bridges, which required reducing the number of active tracks from four to two.

WSJ: Rail Corridor Hit With Major Outage

Metro-North President Howard Permut calls the work the wholesale reconstruction of a two-track electrified railroad.

WSJ: How the Conn. train crash will affect commuters

The song's reverb-doused psychedelia offers a space-rock feel that reaches its apex during the track's huge, two-minute wall-of-sound finish.

NPR: The Asteroid No. 4: 'Let It Go'