shell

shell 1 S3 W3 / ʃel / 名词 [可数名词]

1

a) the hard outer part that covers and protects an egg, nut, or seed :

Never buy eggs with cracked shells.

peanuts roasted in their shells

b) the hard protective covering of an animal such as a snail , mussel , or crab :

a snail shell

The children were collecting shells on the beach. → seashell

2 a metal container, like a large bullet, which is full of an explosive substance and is fired from a large gun :

We ran for cover as shells dropped all around us.

an exploding mortar shell

3 especially American English a metal tube containing a bullet and an explosive substance 同义词 cartridge

4 the outside structure of something, especially the part of a building that remains when the rest of it has been destroyed

shell of

the burnt-out shell of a nightclub

5 out of your shell becoming less shy and more confident and willing to talk to people :

I had hoped that university would bring him out of his shell .

She’s started to come out of her shell a little.