Vacuum cleaner, AM radio, Bakelite, or Penny Farthing.

吸尘器，AM收音机，胶木，还是前轮大后轮小自行车。

I felt my insides cracking when his back tires did the same.

后轮同样碾过时，我感到我内脏在裂开。

Go Go spun the bike's back wheel.

神行御姐旋转着自行车后轮。

The car shuddered as Phillips pulled it up next to the plane's large back tire.

菲利普斯驾驶车靠近飞机巨大后轮时，整辆车都因此而颤抖。

Meaning you'll see me do a wheelie and then I bring my back wheels all the way up to… . this is the coping, before I drop-in, which is pushing myself into the bowl.

意思是你会看到我骑自行车，然后我把我后轮一直抬到… … 这就是应对，在我进入之前，把自己推到弯道里。

Even though I didn't have a speedometer in the car for my runs, someone on Twitter pointed out that we could use the rotation of the back wheel to determine the speed from the video footage.

尽管我跑步时车内没有车速表，但推特上有人指出， 我们可以利用后轮旋转来从视频片段中确定速度。

“We have to attach tire chains to the rear wheel, otherwise it's very easy to lose balance when going up the unpaved paths that were at a near 90 degree angle, ” Li Lang, a 21-year-old motorcyclist, told local media.

21 岁摩托车手李朗告诉地媒体：“我们必须把轮胎链绑在后轮上，否则在接近 90 度角土路面上很容易失去平衡。”

All the cars have the left rear wheel painted black as a mourning wreath and there's a persistent wail all night along the North Shore.'

所有车都把左后轮漆上了黑漆花圈，进入城北湖边整夜哀声不绝于耳。"

If you have a front wheel drive car, it's going to be a CV axle, rear wheel drive, all wheel drive car, you're going to have some drive shafts.

如果你有一辆前轮驱动车，那么要么是传动轴，后轮驱动，全轮驱动车，车上会有一些驱动轴。

Throughout the 1800s, several improvements made these newfangled wheelchairs even better, like rear wheels and casters — which are wheels that can swivel like on a shopping cart.

在整个19世纪，一些改进使这些新式轮椅不断提升，比如后轮和脚轮——这些是可以像购物车一样旋转轮子。

I heard snapping and grinding as his front tires drove over me. I felt my insides cracking when his back tires did the same.

我听到前轮从我身上碾过时发出噼啪声和刺耳声音。后轮同样碾过时，我感到我内脏在裂开。

The wheel was attached to long metal landing gear that extended up to the inside of the plane itself.

飞机后轮连接在一条从飞机内部伸展而出、长长金属起落架上。

This is the back wheel. This is the front wheel.

这是后轮。这是前轮。

And I'm not saying wear a clown suit and do gymnastics and back wheels.

我不是说你要穿小丑服、做体操和玩后轮平衡。

Eric accelerates, but the rear wheels can't gain any traction in the mud and slush.

埃里克加速，但后轮在泥泞和雪水中无法获得任何抓地力。

It's like, they went on their back wheels.

就像是，们后轮着地滑行。

And what, just lock the rears every time?

那么，每次都只是锁死后轮吗？

Meanwhile, the rover's back wheels paddled from side to side.

与此同时，火星车后轮左右摇摆。

It's hard to even see the spring lever arm moving as this back wheel spins.

后轮旋转时，几乎难以察觉弹簧杠杆臂移动。

And erm, the acceleration was still on full and the back wheels were tearing up the grass verge, throwing mud and soil, earth, and grass all over the road, er, it was just you know, absolutely terrify, (How terrify).

呃， 加速仍然是全速，后轮撕裂草地边缘， 把泥土、 泥土、 泥土和草扔得到处都是， 呃，你知道， 绝对可怕， （ 多么可怕） 。