VOA慢速英语:Demonstrating How to Use Demonstratives

短语讲解：

1. A determiner is a word that comes before a noun and is used to show which thing is being referred to.

refer to 参考; 指的是; 涉及
例句：Writers often refer to a dictionary.
作家时常参考字典。

2. Brown paper packages tied up with strings

tie up with 把…与…密切联系起来
例句：Our country will tie up with another country to host this exhibition.
我国将和另外一个国家联合主办这次展览会。

3. If you have to think about it, then your reader or listener will probably have a difficult time understanding what you mean!

think about 考虑…; 捉摸…
例句：Even now when I think about it I feel pain in my heart.
就是现在想起来我心里都感到难受。