blight /blait/ I. n. [u] 枯萎病；不良影响，打击：potato blight 马铃薯枯萎病 The vines suffered blight and disease.这些藤患了枯萎病。‖II. vt. 破坏，使枯萎：a peach tree blighted by leaf curl因患缩叶病而枯萎的桃树