So how come they're sometimes so hard to erase?

那为什它们有时很难擦除呢？

Tom, your rock is trying to get fingerprints off a weapon.

汤姆，你的后盾正在擦除枪上的指纹。

For this reason, removing a tattoo is still more difficult than getting one, but not impossible.

所以擦除纹身依然比刺上纹身难很多，但也并非绝无可能。

Dry erase markers are designed to write on smooth, hard surfaces and erase without a trace.

干擦记号笔设计用于在光滑、坚硬的表面上写，而且擦除之后不留痕迹。

But if tattoos are embedded in your skin for life, is there any way to erase them?

但是如果纹身将会伴你一生，那有没有办法将其擦除？

The trick to getting rid of this dried pigment is to re-dissolve it so it can be wiped away.

避免色素层干掉的方法是对其进行再次溶解，从而可以擦除。

In January, two overseas tourists were ordered to erase a 25-metre-long message that read: 'Happy Birthday Natalie'.

在一月，两名海外游客被要求擦除长25米的‘纳塔利，生日快乐’的字样。

But here's the thing: dry erase markers only work if you're drawing on the right kind of surface.

白板笔只有在合适的表面涂画才可擦除。

Why is it that we treat culture erasure and economic displacement as inevitable?

为什我们认为文化擦除和经济流离失所是不可避免的？

We stopped the acid action just short of full erasure, leaving only a fragment.

我们在完全擦除之前停止了酸液作用，只留下了一个片段。

The bit has changed, but you could erase it and rewrite it with no problems.

位已更改，但您可以将其擦除并重写， 不会出现任何问题。

This is how I wipe it away.

这就是我如何将其擦除的方法。

So how come they’re sometimes so hard to erase?

那为什它们有时很难擦除呢？

A pen, of course, cannot be easily erased – most pens.

当然，一支笔不能轻易擦除——大多数笔。

One feature can even erase the iPhone's contents after 10 failed attempts to unlock it.

一项功能甚至可以在尝试解锁 10 次失败后擦除 iPhone 的内容。

And anyway, there's no way to fully erase the tape.

无论如何，没有办法完全擦除磁带。

They can wipe it out and write again.

他们可以将其擦除并重新写入。

Then the chief editor went on with his erasure; and interlineations.

然后主编继续他的擦除； 和行间。

But the Archimedes' text was erased and written over, and no one knew it existed.

但阿基米德的文本被擦除并写在上面, 没有人知道它的存在。

However, when the memory cell is erased the electrons are forcibly removed.

然而，当存储单元被擦除时，电子会被强制移除。