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

即英语为母语的人，在写英语时也会遇到用这标点符号的难题。

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

双重功能之因, 让人摸门不着。

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

我们今天要讲的最后一个撇号。

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

在 emoji 出现之前，表情符号可让你通过用标点符号的组合来表达你的感受。

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

标点符号其他如空格缩进能帮助读者理解文章的组织结构。

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

如你所见，这符号所在的位置会改变整句话的意思。

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

标点符号大小的机器人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.

我们用这语来命名我们的标点符号。尽管这语的本意指停顿而非标点本身？

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的英语标点符号之一。

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

这大学学写作等中非常流行的标点符号。

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

句点 - 我们不在谈论发音标记， 不 - 标点符号。

[Voiceover] So this is a superhero punctuation mark.

- [画外音] 所这一个超级英雄标点符号。

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

- [大卫] 这很奇怪，就像标点符号的百慕大三角。

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

冒号作为标点符号，两个点，一个在另一个之上。

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

你记得问题结尾的标点符号什麽吗?

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

问学生这两个句子结尾的标点符号什麽。

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

要想说服别人，你得先让别人明白你的意思。这小的标点符号帮助说话人更有效地传递信息。

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

破折号较长的一行“–”，仅用作标点符号。

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

句子大写字母开头, 标点符号结尾。

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

当我们阅读这节课的例子时，我们将大声读出标点符号，便听众了解它们的位置。