短语讲解：

1.We are actually going to talk about how Americans talk about movies.

talk about 讨论，谈论
例句：I had a long talk about this with my best friend
我和我最好的朋友就此事进行了长谈。

2. It comes from the word flicker.

come from 源自; 来自某处; 出生于
例句：He's just come from the countryside.
他刚从乡下来。

3. People also use the word "Hollywood" to refer to movies and movie making.

refer to 参考; 指的是; 涉及; 适用于
例句：I mention this point now in passing and shall refer to it again.
这一点现在顺便提一下，以后还会讲到。

4. And, actually, it can also be used in clothing, as well.

be used in 被用于
例句：The book is designed to be used in two ways.
这本书是为两方面的用途构思的。

5. This year, in fact, "LaLa Land," that musical, was a huge hit.

in fact 事实上; 实际上，其实
例句：You have to admit that you are, in fact, in difficulties
你不得不承认，你事实上是陷入了困境。