word
单词辨析：
普通用词，系语言的最小单位，也可指话语、一句话或几句话。
What does this word mean?
这个词是什么意思?
I don't believe a word of her story.
她说的这件事我一句话都不相信。
Let me say a word on the subject of security.
让我简短地谈一谈安全问题。
指有特定意义的词、词语或术语，尤用于某种专门学科或某类语言中。
What is the scientific term for this?
这东西的学名怎么说?
He is not familiar with financial terms.
他不熟悉金融术语。
Some legal terms have more than one meaning.
有些法律术语有不止一个含义。
指某种语言的全部词汇，或某人学会或使用的所有词汇，也指谈论某一学科、行业等时专用的词汇。
the vocabulary of economics/politics
经济/政治词汇
This dictionary does not cover the whole of the French vocabulary.
这本词典没有包括全部法语词汇。
This child commands a large vocabulary of English.
这个孩子对很多英语词汇都能运用自如。
Many technical jobs use a specialized vocabulary.
很多技术性工作使用专业词汇。
相关例句：
I'm lost for words — it's fantastic
我无以言表——太精彩了。
The press never has a good word to say about them
新闻界从来没说过他们的好话。
They're willing to take him at his word when he says, 'Oh, I made mistakes and now I'll change.'
只要他说“哦，我错了，现在我要改过自新”，他们就愿意当真。
If I had written the letter, I might have worded it differently.
如果换作我写这封信，我或许会用不同的措辞。
There is no word from the authorities on the reported attack
所报道的袭击事件没有得到当局的证实。
I can't understand a word she says
她说的我一点儿也不懂。