n.[C]

1. 斜面；斜坡；坡道
2. （上下飞机用的）活动舷梯
   The passengers walked up the ramp to board the airplane.

   旅客们走上活动舷梯登上飞机。

3. （船只的）下水滑道，滑轨
4. （楼梯把手的）弯子

vi.

1. （狮等）用后脚立起，跃立
2. 横冲直撞；暴跳[（+about/around）]
   Have you ever seen a lion ramping around?

   你看到过狮子暴跳吗？

n.[U]

1. 跃立
2. 横冲直撞；暴跳

n.[C]

1. 【主英】欺诈，敲诈；暴利

n.

1. a sloping surface joining two different levels.
   ▸a movable set of steps for entering or leaving an aircraft.
   ▸N. Amer. an inclined slip road leading to or from a main road or motorway.
   ▸North American term for catwalk (in sense ¹).
2. Brit. a transverse ridge in a road to control the speed of vehicles.
3. an upward bend in a stair rail.
4. an electrical waveform in which the voltage increases or decreases linearly with time.
5. Brit. informal a swindle involving a fraudulent increase of the price of a share.

v.

1. provide with a ramp.
2. Brit. drive up the price of (a company's shares) in order to gain a financial advantage.
   ▸ (often ramp something up) increase the level or amount of (something) sharply.
3. (of an electrical waveform) increase or decrease in voltage linearly with time.
4. archaic (of an animal) rear up on its hind legs.
   ▸rush about violently.
5. chiefly dialect (of a plant) grow or climb luxuriantly.