Xpand was then used to parse and translate the grammar into a HashMap-based data structure.
接下来，使用Xpand解析语法并将其转换为基于HashMap的数据结构。
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It has words, a fixed grammar and there are lots of 'native speakers' out there, so you guessed it... there are programs that translate English to Klingon.
The description of the grammar in this file is written in a notation that's very similar to BNF, so that it's generally fairly easy to translate from one to the other.