Notice that the noun form does not use a hyphen.

这种名词形式不加连字符。

Always check your dictionary if you are unsure if a compound noun requires a hyphen.

如果你不确定复合名词否需要连字符，一定要查字典。

No, hang on. Okay, one word, a letter and a number and... maybe a hyphen. 3D printer.

不，让我想想。好吧，一个词、一个字母、一个数字、以及一个连字号吧3D打印机。

If you have used bullets, replace them with hyphens.

如果你用了项符号，把它换成连字符。

Notice that both 15-foot and 10-foot come before the noun and there is a hyphen between the words.

" 有15英尺高的" 和" 有10英尺高的" 都放在名词前，并且单词之间有连字符。

You can say a three-week trip and here you don't need an s but you need a hyphen.

你可以说“三周的旅行”，这里你不需要加 s，但你需要加连字符。

Even though these are two different words, the hyphen makes it one word.

即使它个不同的词，连字符使之成为一个单词。

'Ultra' is added to adjectives, using a hyphen but not always.

ultra 被加在形容词上，会使用连字符，但并不一定总这样。

So a word like open-minded is joined together by a hyphen.

所以像 open-minded 这个用连字符连接的词。

A hyphen is required for compound nouns made from two nouns.

由个名词组成的复合名词需要连字符。

Do not confuse a hyphen with a longer dash (–).

不要将连字符与较长的破折号（–）混淆。

That's right. So you write a 'seventy hyphen second' lap. A 'six hyphen foot' man.

的。所以你要写 seventy-second lap 或者 six-foot man。

A hyphen is needed when a unit of measurement acts as an adjective.

当度量单位作为形容词时，要加连字符。

That's right, it has hyphens. Well done if you got those right.

的，它用连字符连接的。如果你都答对了就很棒哦。

Next week on Ask a Teacher, we will explore using hyphens to create compound nouns!

下周的《名师答疑》，我将探索如何使用连字符创造复合名词！

This hyphen joins these two words and so they count as one word.

连字符把这个词连接起来，所以它算作一个词。

In this week's program, we will explain how to use hyphens to make compound adjectives.

在本周的节中，我将解释如何使用连字符来构成复合形容词。

Other similar adjectives often get a hyphen, like cold-blooded.

其他类似的形容词通常带有连字符，例如 cold-blooded。

Anything we might change is, just put a hyphen in.

我可能会更改的任何内容都，只需插入一个连字符。

A hyphen is used to combine two or more words together.

连字符用于将个或多个单词连接在一起。