The skin of our backs descends into a v, like a bird's wing does to its body-a bone hinge covered in smooth skin, our spines locked together at the base.

我们背上的皮肤向下延伸成一个“V”，就像鸟儿身体上的翅膀——一段覆盖在光滑皮肤下，绞缠在一起的骨头。我们的脊椎在底部锁在一起。

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Unlike the better balanced straight-six or even the ultra-smooth V-12 engine, the humble four-cylinder generates an up and down vibration with a frequency of twice the crankshaft's rotational speed.

不像运行起来比它更稳定的直列六缸引擎或者极其流畅的V - 12引擎，卑微的四缸引擎会以一种比自身机轴转速高两倍的频率产生一上一下的振动。

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The skin of our backs descends into a V, like a bird's wing does to its body—a bone hinge covered in smooth skin, our spines locked together at the base.

我们背上的皮肤向下延伸成一个“V”，就像鸟儿身体上的翅膀——一段覆盖在光滑皮肤下，绞缠在一起的骨头。 我们的脊椎在底部锁在一起。

youdao

The skin of our backs descends into a V, like a bird's wing does to its body—a bone hinge covered in smooth skin, our spines locked together at the base.

我们背上的皮肤向下延伸成一个“V”，就像鸟儿身体上的翅膀——一段覆盖在光滑皮肤下，绞缠在一起的骨头。 我们的脊椎在底部锁在一起。

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