shelled

• A turtle has a hard shell .
  海龟有着坚硬的壳。
• A shell [an arrow] whizzed past .
  嗖地飞过。
• The police fire tear-gas shells in an attempt to disperse the crowd .
  警察施放催泪弹企图驱散人群。
• Halogen atoms contain seven electrons in their valence shell .
  卤原子在它们的介电子层含有七个电子。
• After very hard work, he made a hole through the shell .
  经过一番苦干，他终于在贝壳上打开了一个洞。
• Shells with edge beams are discussed in detail elsewhere .
  带有边缘梁的壳在别的地方已加以详细讨论。
• Now the shell was no longer a thing seen but not to be touched .
  此刻海螺不再是一个可望不可即的东西了。
• And so with solids such as a shell , a nut , a plum .
  对于固体也是如此，例如一个贝壳，一个核桃，一个李子。
• The little town was bombarded with enemy shells for a whole week .
  这个小城被敌人的炮火轰击了整整一个星期。
• Jack took up a coco-nut shell that brimmed with fresh water and drank .
  杰克拿起一只盛满清水的椰壳一饮而尽。