shell/ ʃεl /

1.noun [c] 
(on beach) 贝壳

2.noun [of tortoise] [ snail] [ crab] [ egg] [ nut] 


3.noun
(explosive) 炮弹

4.noun [of building] [ boat] [ car] 
(frame) 框架

5.vt.[+nuts] [ peas] [ prawns] 
(prepare) 去壳

6.vt.
(fire shells at) 炮击