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，于是引出了第二种释义。

In metric units, which of these prefixes means " billion" ?

以下的公制单位中，哪一个前缀表示" 十亿" ？

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

不，尼尔，虽然它有相同的前缀" " 。

See you all in my next video about negative prefixes.

我下一个关于否定前缀的视频中再见。

I mean they know more about multiple meanings, prefixes, suffixes, word rules.

我的意思是了解多种含义，前缀，后缀，单词规则。

As you can see, both words have the same prefix that means equal.

如你所见，这两个字都有 意味着「均等」的字首。

As time went by, these prefixes started to disappear.

随着时间的推移，这些前缀开始消失。

So we create new words by adding prefixes and suffixes to the root word.

我通过向词根添加前缀和后缀来创造新词。

So we have " usual" means ordinary, I put the prefix in, it means not ordinary.

我有“寻常的”，意思是普通的，我把前缀放进去，就变成不寻常了。

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

学很有可能会关注词语的前缀来获得相反的意思。

Now, uncooked is an example of the vocabulary area we're looking at today — prefixes.

未烹饪过的就是我今天要学的前缀词汇之中的例子。

These prefixes are in order of thousand, million, billion, and trillion with giga denoting billion.

上述前缀按顺序分别表示千、百万、十亿和万亿，其中giga表示十亿。

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

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

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

或者是非常‘pro’...这些是可以使单词突然变得不同的前缀。

IN- is a negative prefix that means no or not.

IN-是一个否定前缀，表示没有或没有。

There were small particles, or prefixes, placed before verbs in Middle English to change their meaning.

在中古英语中，有些小词或前缀被置于动词之前以改变其含义。

The prefix of this word, kata, means “down.”

这字的字首意思是“下”。

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。

These are the prefixes we have learnt today.

这些是我今天学习的前缀。