tool book

• 工具书

tool book的用法和样例：

例句

1. The reference book is indexed in alphabetic order.
   这部工具书是按照音序编制索引的。
2. Sure, you could just leave this on your shelf as a dusty reference tool, picking it up only on those occasions when you encounter an unknown term or acronym.
   当然，你也可以将本词典作为一本放在书柜里的尘封工具书，只有在遇到不懂的术语或缩略语时才偶然拾起。