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。