n.

1. 壳，果壳；荚[C][U]
   Peanuts have shells.

   花生有壳。

2. 贝壳，甲[C][U]
   The seashore was covered with shells.

   海滩上到处是贝壳。

3. 壳状物；外壳；套，罩[C]
4. 有甲壳的软体动物[C]
5. 缄默；冷淡，矜持[C]
6. 锥形小啤酒杯[C]
7. （计划等的）梗概，轮廓[C]
8. 炮弹；猎枪子弹；弹壳[C]
9. 轻快的赛艇[C]
10. （房屋的）骨架[C]
    The building was burned to a shell.

    大楼被烧得只剩下空骨架。

11. （人的）躯壳[C]
    The despair left him a mere shell of a man.

    他陷入绝望，形同躯壳。

12. 地壳；薄硬岩层[C]
13. 【电脑】壳（UNIX操作系统中的一部分，是使用者与系统的界面）

vt.

1. 剥……的壳；剥
   She is shelling peas.

   她在剥豌豆。

2. 为（麦穗等）去壳
3. 用贝壳铺；给……装壳体
4. 炮轰；射击
   The town was shelled last night.

   昨晚该镇遭到炮击。

vi.

1. （种子等）脱壳
2. （金属等）剥落，成碎片落下[（+off）]

n.

1. the hard protective outer case of a mollusc or crustacean.
   ▸the thin outer covering of a bird's or reptile's egg.
   ▸the outer case of a nut kernel or seed.
   ▸the carapace of a tortoise, turtle, or terrapin.
   ▸the wing cases of a beetle.
   ▸the integument of an insect pupa or chrysalis.
2. an explosive artillery projectile or bomb.
   ▸a hollow metal or paper case used as a container for fireworks, explosives, or cartridges.
   ▸N. Amer. a cartridge.
3. something resembling or likened to a shell, especially a hollow or outer case.
4. the walls of an unfinished or gutted building.
5. a light racing boat.
6. the metal framework of a vehicle body.
7. the hand guard of a sword.
8. Physics  each of a set of orbitals in an atom, occupied by electrons of similar energies.
9. Computing  short for shell program.

v.

1. bombard with shells.
2. remove the shell or pod from.
3. (shell something out) informal pay a specified amount of money, especially an amount regarded as excessive.