Even native speakers have trouble with these punctuation marks when writing English.

即使是以英语为母语，在写英语时也会遇到使用这些号难题。

Maybe that's why we toss these punctuation marks around like grammatical confetti.

双重功能之因, 让摸门不着。

The last punctuation mark we are going to talk about today is the apostrophe.

我们今天要讲最后一个是撇号。

Before emoji, emoticons had let you express how you felt by using combinations of punctuation marks.

在 emoji 出现之前，表情号可以让你通过使用号组合来表达你感受。

Punctuation marks and other things like spaces and indents help the reader understand the structure and organization of writing.

号其他如空格缩进能帮助读者理解文章组织结构。

As you can see, the placement of this punctuation mark can really change the meaning of a sentence.

如你所见，这号所在位置会改变整句话意思。

Robots with the size of punctuation marks can one day be used to move single cells or capture bacteria.

号大小机器有一天会被用来移动单细胞或捕捉细菌。

We used these terms to name our punctuation marks—although they actually refer to the clauses not to the dots themselves.

我们用这些术语来命名我们号。尽管这些术语本意是指停顿而非本身？

But first, let’s look at one of the most basic English punctuation marks.

但首先， 让我们看一下最基本英语号之一。

It's a very popular punctuation mark in universities, and academic writing, and so on.

这是大学学术写作等中非常流行号。

Period - we're not talking about the pronunciation mark, no - the punctuation mark either.

句 - 我们不是在谈论发音记， 不 - 号。

[Voiceover] So this is a superhero punctuation mark.

- [画外音] 所以这是一个超级英雄号。

[David] It's weird, it's like the Bermuda Triangle of punctuation marks.

- [大卫] 这很奇怪，就像号百慕大三角。

A colon, as a punctuation mark, is two dots, one on top of the other.

冒号作为号，是两个，一个在另一个之上。

Do you remember what kind of punctuation mark comes at the end of a question?

你记得问题结尾号是什麽吗?

Ask the student what punctuation mark comes at the end of both sentences.

问学生这两个句子结尾号是什麽。

And to be persuasive, you need to be understood. And these little punctuation marks helped the speaker to deliver their text more effectively.

要想说服别，你得先让别明白你意思。这些小号帮助说话更有效地传递信息。

A dash is a longer line " –" and is only used as a punctuation mark.

破折号是较长一行“–”，仅用作号。

A sentence begins with a capital letter and ends with a punctuation mark.

句子以大写字母开头, 以号结尾。

When we read the examples in this lesson, we will say the punctuation marks out loud so listeners can understand where they belong.

当我们阅读这节课例子时，我们将大声读出号，以便听众了解它们位置。