expanseKK [ɪkˋspæns] /ɪkˈspæns/发音名词1广阔的区域、一大片、辽阔的空间A vast expanse of desert stretched out in front of us.我们眼前展开一大片辽阔的沙漠。2广度、幅员、范围正式Few people can grasp the sheer expanse of the ocean floor.很少有人能体会海底的辽阔幅员。用这个字练口说→