So what I'm going to do is zoom in into the atomic level.

此时不存在完全光滑的。

It had been an odd sensation putting on the crinkling, slick-surfaced garment.

穿这件起皱、光滑的衣服感觉很奇怪。

Watch out for mud and other slippery surfaces like rocks.

小心泥土和其他光滑的，如岩石。

Why is it that smooth surfaces can reflect images back at us?

为什么光滑的可以将图像反射回来呢？

And that's what gives that kind, the silky glossy finish.

这就是为什么会有这种，丝绸般光滑的。

These cells form a slick surface that helps the blood move without friction.

这些胞形成光滑的，帮助血液无摩擦地流动。

And so when you zoom in to the atomic level, almost nothing is completely smooth.

此时不存在完全光滑的，这个可能像这样。

And you won't get a smooth finish if the walls are dusty or greasy.

如果墙有灰尘或油脂，你将无法获得光滑的。

But not every smooth surface acts like a mirror.

但并不是每一个光滑的都像镜子一样。

The surface of the phone is so smooth.

手机的非常的光滑。

They're resistant to corrosion, and can be cast into complex shapes with mirror-like surfaces in a single molding step.

它不易被腐蚀，并且可以塑造出有着光滑的复杂造型。而这些，仅仅需要模具塑形。

If the smooth surface absorbs the photons instead of bouncing them back, there's no reflection.

如果光滑的吸收光子，而不是将它们反弹回来，那就没有反射。

Whereas a tulip petal has sort of a satiny sheen over the surface.

而郁金香花瓣有一种光滑的光泽。

Again, this is a very slick surface.

同样，这是一个非常光滑的。

A smooth surface is something that doesn't have any bumps.

光滑的是没有任何颠簸的东西。

He caressed the smooth surface of the wood.

他抚摸着木头光滑的。

But, watch out for slick surfaces.

但是，请注意光滑的。

She rested her fingertips on the cool, smooth surface of the iPad.

她把指尖放在iPad凉爽光滑的。

Deliberately he bent over the end of the table, spat on its polished surface.

他故意弯下桌子的一端，吐在光滑的。

Previous techniques exist to solve this problem, but they take extremely long and are typically limited to flat surfaces.

之前也有技术能解决这个问题，但要花费相当长的时间，而且通常仅限于光滑的。