[mass noun]sleep regarded as a world of dreams 梦乡,梦境;睡眠 she tries to lull herself into dreamland. 她试图让自己进入梦乡。 ■an imagined and unrealistically ideal world 幻想世界;理想世界 a digital dreamland where you'll pay bills with a click of the mouse. 一个数码的幻想世界,在这里你通过点击鼠标来付帐。