But when I rinsed the material, the colour was just washed away.

但是当我漂洗材料的时候，颜色全被洗掉了。

The company sells building materials such as bricks, tiles, etc.

那家公司贩售建材，如砖块、磁砖等。

These labs are also equipped with the best quality materials and technologies.

这些实验室配备最优质的材料及科技。

Where there is a strong industry, mining is providing the materials.

哪里有强大的工业，哪里就有采矿业提供原料。

You have ideas here, you can see different materials, different models.

顾客想法不同，需要的原料和模型就不同。

Just like visible light, x-rays are less likely to penetrate denser materials.

类似于可见光，X线难以穿过密度高的物体。

The water has already gone through a process designed to remove harmful materials.

这些水已经经过了一个旨在去除有害物质的过程。

And in the end, I just found some materials online and I bought them.

最后，我在网上找到了一些材料，就买了下来。

Some add additional materials to the videos or offer ideas for the next segment.

有些人在视频中添加了额外的材料，或者为下一个片段提供了想法。

So they may start swapping materials like cotton or silk for a cheaper synthetic material.

因此，他们可能会开始用更便宜的合成材料替换棉花或丝绸等材料。