简言之，DTD描述了词汇表的结构（标记和属性），类似于数据库模式描述数据库的结构（表和列）。
Essentially a DTD describes the vocabulary's structure (the tags and attributes), similar to the way a database schema describes a database's structure (the tables and columns).
因为这个原因，我们也将它添加下划线，并将它们的信息列在书后的词汇表上。
For this reason we have underlined them and put information about them in the glossary at the of this book.
列一个对于你来说比较难发音且常用的词汇表，然后问问本土人士怎么发音。
Make a list of frequently used words that are difficult for you to pronounce and ask a native speaker to pronounce them for you.
列一个对于你来说比较难发音且常用的词汇表，然后问问本土人士怎么发音。
Make a list of frequently used words that are difficult for you to pronounce and ask a native speaker to pronounce them for you.
应用推荐