在国外用英文怎么说单词

"单词"在英语中被称为 "word"。来源是古英语 "word"。

例句：

Can you spell the word "difficulty"? (你能拼写出单词“difficulty”吗？)
I learned a new word today. (我今天学了一个新单词。)
The word "hello" is used as a greeting. (单词“hello”用作问候。)