n. the compass point midway between south and west; at 225 degrees
n. the southwestern region of the United States generally including New Mexico, Arizona, Texas, Nevada, California, and sometimes Utah and Colorado
n. the direction corresponding to the southwestward compass point
n. 西南, 西南方, 西南地区
a. 西南的, 来自西南方的
adv. 往西南, 来自西南