The options aren't " hamburger" or " baked fish" — instead, they're described as " Joe's meaty burger" or " succulent Italian fillet." That's because researchers have found that adding colorful descriptors can increase sales by up to 27%.

不是简单列“汉包”或“烤鱼”————而是，将它们写成“乔特制肉多多汉”或“意大利多汁鱼排”。这是因为研究人员发现，添加丰富的形容前缀可以使销售额增加多达27%。

For example, ’Un is a very common prefix in the English language.’

例如，在英语语言中un是一个很常见的前缀。

Students could focus on prefixes that are used to give a word an opposite meaning.

学生很有可能会关注词语的前缀来获得相反的意思。

No, Neil, though it does have the same prefix – 'micro'.

不，尼尔，然它们有相同的前缀" 微" 。

Or he's very 'pro' something -- well they're prefixes which have suddenly become different words.

或者是他非常‘pro’...这些是可以使单词突然变得不同的前缀。

Would you like to improve your vocabulary by learning negative prefixes in English?

你想通过学习英语中的否定前缀来提高你的词汇量吗？

But in- is also a common negating prefix, leading to the second interpretation.

但是in-也是一个常见的否定前缀，于是引了第二种释义。

Right, the prefix in means opposite of.

的，前缀“in”表示“相反”的意思。

A prefix is a small part of a word, usually just a couple of letters, that we put at the front of a base word to change its meaning.

前缀是单词的一小部分，通常是几个字母组成的，放在原词前能改变词义。

The prefix " synthetic" referred to the idea of creating a synthesis of fragments from the real world and the painting world.

前缀“合成的”是指从现实世界和绘画世界中合成碎片的想法。

“Under” can also be used as a prefix—a group of letters added at the beginning of a word to change its meaning.

Under 也可作前缀，前缀指的是一组字母加在一个单词的开头来改变单词的意思。

True Adjectives are usually placed before the nouns they modify, but adjectives with the prefix a- do not come before a noun.

正确形容词通常放在它们所修饰的名词之前，但是以“a-”为前缀的形容词不能放在名词之前。

You can go through the list alphabetically so then you start to see words that have the same prefix.

你可以按字母顺序浏览列表，这样你就会开始看到有相同前缀的单词。

Yeah. And this prefix 'ultra' we can add to different adjectives and it just means 'more extreme'.

是的。我们可以把“ultra”这个前缀加到不同的形容词中，表明“更加极端”的意思。

So, one of the keys to expanding your vocabulary is to use something called prefixes or suffixes.

所以，扩充词汇量的办法学习单词的前缀和后缀。

We'll look at what they are, what they mean and how to use them.

我们会学到什么是前缀，它们的意思是什么以及如何使用它们。

And then the same thing happens if you have a three-syllable verb with the prefix, okay.

一个带前缀的三音节动词也符合这个规则。

See you all in my next video about negative prefixes.

我们下一个关于否定前缀的视频中再见。

Because if you take away those those green suffixes or prefixes and you have the word 'color', 'correct', 'clear', 'construct', 'cycle' and 'cover'.

如果你把绿色的后缀或前缀拿走，得到的单词是：color、correct、clear、construct、cycle 还有 cover。

Now we mentioned the prefix re in rerun in this episode, to learn more about prefixes, click here.

现在，我们在这一期节目中提到了“重播”一词中的前缀 re，要想了解更多关于前缀的知识，请点击这里。