This is the start of what we now commonly know as chroma key.

这便我们现在常说技术开端。

Vlahos would go on to further develop and improve the chroma key process.

弗拉霍斯续改进和发展技术。

Well, interestingly enough, that's what we call the chroma key, a green screen.

有，这就我们所说度，一个绿幕。

Make sure to get it as flush as possible against your skin to minimize folds that might make it hard to chroma key out, like this.

- 确保紧贴皮肤， 尽量减少可能影响抠像效果褶皱，就像这样。