He had propped open the slit that dishes passed through into the kitchen with a catsup bottle.

他用茄汁瓶子把那个小洞口撑开，这个小洞洞是用来递盆子进厨房的。

They originally referred to their product as catsup, but switched to ketchup in the 1880s to stand out.

他们最初称他们的产品catsup（茄酱），但在 19 世纪 80 年代转向 ketchup（茄酱）以颖而出。

The catsup in the bottle trick is actually a great example of distraction.

瓶子里的茄酱魔术实际上是分散注意力的个很好的例子。

This person is drawing your attention to this hand making you think it's this hand that's somehow magically moving the catsup packet up and down.

这个人正在将的注意力吸引到这手上，让正是这手以某种方式神奇地上下移动了茄酱包。

It seems like this person can make the catsup in the bottle go up or down in the bottle using some kind of invisible force from this hand.

似乎这个人可以用这手的某种无形的力量让瓶子里的茄酱在瓶子里上升或下降。

Ketchup and catsup are simply two different spellings for the same thing: a modern, Westernized version of a condiment that European traders were introduced to while visiting the Far East in the late 17th century.

ketchup 和 catsup 是同事物的两种不同拼写： 17 世纪末欧洲商人在访问远东时被介绍给种调味品的现代西化版本。

You can notice the person is squeezing this hand ever so slightly on the bottle pushing water up or down in the bottle as they squeeze which is really what's causing the catsup packet to go up and down.

可以注意到，这个人轻轻地挤压瓶子，在挤压时将瓶子中的水向上或向下推，这实际上是导致茄酱包上下移动的原因。