◎ ramp是什么意思 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 n. an inclined surface connecting two levelsn. North American perennial having a slender bulb and whitish flowersn. a movable staircase that passengers use to board or l...
