I was climbing up a hill at Howth when I heard wheels behind me and a pony-carriage drew up be - side me. A pretty girl was driving alone and without a hat.

我在皓斯爬山时，听见背后的车轮声，一辆小马车在我身边停下来，原来是一位独自驾车，没有戴帽子的漂亮姑娘。

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Canadian Ben Gulak has invented the world's first unicycle motorbike with two wheels side-by-side.

加拿大小伙本·盖拉克发明了世界首辆独轮摩托，此车两轮并排紧靠看似独轮。

youdao

When you'd rather be in a car, say on the highway for instance, it lies on its side and USES 3 wheels as sort of a car.

比如，在公路上，你要是想开汽车了，它可以侧过来，三轮支地，变成汽车。

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One of the rear left-side wheels had been changed before takeoff.

CNN: graphic

If you are stuck, the IAM recommends that you turn your wheels from side to side to push the snow out of the way.

BBC: How to drive in snow and icy weather

What it is, is a 16- by 14-inch aluminum platform with two 14-inch wheels on either side, and a scooter-style handlebar on a stem.

FORBES: A Standing Ovation