non-terminal的用法和样例：
例句
- A prime phrase is a phrase which consists of at least one terminal but no prime phrase other than itself.
素短语就是一个短语，它至少包含一个终结符号，并除自身外它不再包含其它素短语。
词汇搭配
- non-terminal incorporation 非末端掺入
- non-reducing terminal 非还原端
- non intelligent terminal 非智能终端
- non occupied terminal 未占用终端
