n.

1. 春季，春天[U][C]
   The mountains turn green when spring comes.

   春天来时，群山绿了。

2. 旺盛时期；青春年少时期[U]
3. 跳跃[C]
   He rose with a spring and dashed out the door.

   他一跃而起，奔出门去。

4. 弹簧[C]
5. 弹力；活力[U][S]
   There's little spring in this sofa.

   这张沙发几乎没什么弹性。

6. 泉[P1]
7. 根源，源泉[C]
   Her vanity was the spring of her unhappiness.

   她的虚荣心是她不幸的起因。

8. 动机[C]

vi.

1. 跳，跃
2. 弹起，弹开，反弹
   The lid sprang open.

   盖子啪地一声弹开了。

3. 飞快地行动[（+to）]
   He sprang to his feet and rushed out of the room.

   他跳起身奔出了房间。

4. 突然出现，涌现[（+up）]
5. 源（于），来（自）[（+from）]
   A cry of anger sprang from the crowd.

   从人群中发出了愤怒的叫声。

6. 一跃而成[（+into）]
7. 迅速生长；很快产生
8. 开裂，破裂
9. 【美】请客[（+for）]
10. 爆炸

vt.

1. 使弹起，使弹开
2. 使弹成某种状况[O8]
   He sprang the lock open.

   他开了锁。

3. 突然提出（或作出）
   Our regiment sprang a surprise attack on the enemy position.

   我团对敌人的阵地发动了一次突击。

4. 使裂开
5. 扭伤
6. 给……上发条
7. 【口】花（钱）[（+for）]
   She sprang fifty dollars for best sellers.

   她花五十元钱买畅销书。

8. 使爆炸

v.

1. move suddenly or rapidly upwards or forwards.
   ▸cause (a game bird) to rise from cover.
2. move suddenly by or as if by the action of a spring.
3. operate or cause to operate by means of a spring mechanism.
4. (spring from) originate or appear from.
   ▸ (spring up) suddenly develop or appear.
   ▸ (spring something on) present something suddenly or unexpectedly to.
5. informal bring about the escape or release of (a prisoner).
6. [usu. as adj. sprung] provide (a vehicle or item of furniture) with springs.
7. (of wood) become warped or split.
8. (spring for) N. Amer. informal pay for.

n.

1. the season after winter and before summer, in which vegetation begins to appear.
   ▸Astronomy  the period from the vernal equinox to the summer solstice.
2. an elastic device, typically a helical metal coil, that can be pressed or pulled but returns to its former shape when released.
   ▸elastic quality.
3. a sudden jump upwards or forwards.
4. a place where water wells up from an underground source.
5. an upward curvature of a ship's deck planking from the horizontal.
   ▸a split in a wooden plank or spar under strain.
6. Nautical  a hawser laid out from a ship's bow or stern and secured to a fixed point in order to prevent movement or assist manoeuvring.