单词	书页构造
释义	书页构造book structure
随便看	user-to-user information message user-to-user interface level user-to-user service user-to-user signaling user trailer label user training user transaction processing routine user transducer user transient program user transparent user trap address user trap facility user-tuned system user utility user utility program user validation user validation scheme user value uservar uservar table uservar 字符串 uservar 表 user view user virtual address space user virtual memory buffer address