It'll still likely get stuck in that spot, but we'll just show you one more time the effects of the UV light, and actually we'll throw in an extra trick here, too.

它仍然像是在那点卡住了，但是我们还是会再展示一次，紫外光源的效应，事实上，我们也会引入一个新的技巧。

youdao

You should pay me extra money for the extra work. Don't try to trick me.

要我做额外的工作，你就得给额外给钱，别想骗我。

youdao

A trick of light seems to give an extra pair of feet to this phalarope bird, seen from below the water.

大自然的图案：倒影。习惯光亮似乎给额外的一对脚到这只矶鹞之类鸟，从下面的水看到。

youdao

It'll still likely get stuck in that spot, but we'll just show you one more time the effects of the UV light, and actually we'll throw in an extra trick here, too.

它仍然像是在那点卡住了，但是我们还是会再展示一次,紫外光源的效应，事实上，我们也会引入一个新的技巧。

麻省理工公开课 - 化学原理课程节选

What's the extra trick here?

它有什么特别之处吗

耶鲁公开课 - 博弈论课程节选

That extra half string did the trick.

WSJ: When Two Makes Perfect | By Byron Janis