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

不，尼尔，虽然它们有相同前缀" 微" 。

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

我们有“寻常”，意思是普通，我把前缀放进去，就变成不寻常了。

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

以下公制单位中，哪一个前缀表示" 十亿" ？

The prefix in can change the meaning of a word into its opposite.

前缀 in 可以把一个词意思变成它反义词。

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

生很有可能会关注词语前缀来获得相反意思。

So, the prefix: " re" means " again" ; " phrase" , collection of words.

前缀" re" 意思是重复；" phrase" 意思是单词集。

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

我们通过向词根添加前缀和后缀来创造新词。

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。

This word starts with the prefix dys, but this time it's spelt d-y-s.

这个单词以前缀 dys 开头，拼写为 d-y-s。

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前缀。

All these prefixes have a negative meaning.

所有这些前缀都有否定意义。

Ah yes – and the word 'micro' used as a prefix, indicates that something is small.

啊，是。还有" 微" 这个词用作前缀，表示某物是小。

We also had the word detox, which starts with the prefix de-, spelt d-e.

我们也有 detox 这个词，它以 de- 开头，拼写为 d-e。

Yes, the prefix de-, spelt d-e, usually means take away or remove something.

是，前缀 de-，拼写为 d-e，通常表示拿走或删除某物。

These are words or prefixes in this case that make the meaning of another word stronger.

在这种情况下，这些词或者前缀使得其它词意思更加强烈。

She uses the prefix hyper to say that there is too much of a certain quality.

她使用前缀“hyper”来表示某种特质太多。

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

一个带前缀三音节动词也符这个规则。

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

所以，扩充词汇量办法习单词前缀和后缀。

Now, a prefix is a group of letters that you add to the beginning of a word.

现在，前缀是一组放在一个单词前面一组字母。

Ten-second trivia: The prefix NGC, which stands for New General Catalog, is used to organize what?

前缀NGC，全称新总表，用于编什么？