词汇	stretch system
释义	stretch system 延伸系统
随便看	include an entry include angle include a pair of include artificially Include a self-addressed stamped envelope Include caption include categorically Include chapter numbers in captions include chiefly include col include columns include completely include complexly include comprehensively Include Contacts as Safe Senders include creatively include crudely included included and excluded losses included foreign matter included gas include diligently included angle included angle between extreme positions Included angle cosine