n. an inclined surface connecting two levels
n. North American perennial having a slender bulb and whitish flowers
n. a movable staircase that passengers use to board or leave an aircraft
v. behave violently, as if in state of a great anger
n. 斜坡, 坡道, 敲诈
vi. 狂跳乱撞, 乱冲, 敲诈, 蔓延
vt. 使有斜面, 敲诈