Notice that the noun form does not use a hyphen.

请注意这种名词形式不加符。

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是否需要符，一定要查典。

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

不，让我想想。好吧，一词、一母、一数、以及一号吧3D打印机。

If you have used bullets, replace them with hyphens.

如果你用了项符号，把它们换成符。

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

请注意" 有15英" 和" 有10英" 都放在名词前，并且单词之间有符。

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

你可以说“三周旅行”，这里你不需要加 s，但是你需要加符。

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

即使它们是两不同词，符使之成为一单词。

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

ultra 被加在形容词上，会使用符，但并不一定总是这样。

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

所以像 open-minded 这用符接词。

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

由两名词组成复合名词需要符。

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

不要将符与较长破折号（–）混淆。

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

是。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，要加符。

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

是，它是用符接。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《名师答疑》，我们将探索如何使用符创造复合名词！

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

符把这两词接起来，所以它们算作一词。

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

在本周节中，我们将解释如何使用符来构成复合形容词。

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

其他类似形容词通常带有符，例如 cold-blooded。

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

我们可能会更改任何内容都是，只需插入一符。

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

符用于将两或多单词接在一起。