It does not take an S in the plural form.

它的复数形式不带 S。

But the most accepted form is to add apostrophe S as well.

普遍接受的观点还是加上省字符和S。

With some verbs, you only add an s.

对于一些动词，你只需要加上一个 s。

Now let's talk about long " um" s.

现在我们来谈谈长的“嗯”。

Anymore? Ok, good. Alright. So here' s the deal.

还有吗? 很好 好 是这样。

And we pronounce the s at the end, chaos.

最后这个 s 要发音，混乱。

There are many thin s that could go wrong.

这样有许多事情可能会出差错。

" No wonder you didn't get more O.W.L. s! "

“怪不得O.W.Ls考不出好成绩呢！”

So yes, there are three options to pronounce this s.

没错，“S”有三种发音。

Meanwhile, there are non-countable nouns like water which don't take an S in the plural form most of the time.

与此同时，也有一些不可数名词，比如水，它们的复数形式大多不带 S。

" We don't take O.W.L. s till fifth year! " s aid Dean Thomas indignantly.

“我们要到五年级才参加级别考试呢！”迪安·托马斯气愤地说。

But if you say we traveled for three weeks then you add an s.

但是如果你说我们旅行了三个星期，你就得加一个 s。

Mispronouncing words that have silent " h" s in English is a very common mistake.

把英语中不发音的“h”发错是一个很常见的错误。

This answer I'm going to play for you has many long " um" s.

我将为你们播放的这个回答有很多个很长的" 嗯" 。

So eliminate those long " um" s as much as you can.

所以尽可能去掉那些长的“嗯”。

" I'm just s—s—so worried, " she said, tears spilling out of her eyes again.

“我只是太一太一太担心了，”她说，眼泪又从眼睛里扑簌簌地滚落下来。

Only I feel sorry for him because hes all alone and he has no frends.

只是我为他南过。因为他很估单都没有朋友。

All right, all right. Uh, s- s- sit down. Yeah, sit down. Now close your eyes. Why?

好好，你坐下，坐下闭上眼。为什么？

Ouch. Game, set, and match. Like most good I.R. s, Tabby can be ruthless when she's right.

得，人家大获全胜。与大多数好的理想读者一样，塔碧对的时候经常是毫不留情。

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，但是你需要加连字符。