| 释义 |
*shell¹ /ʃɛl; ʃel/
n [C]
1 a) the hard outside part of a nut, egg, or seed 〔坚果、蛋或种子的〕壳，荚，外壳
b) the hard outside part that covers some animals, for example SNAILs and CRABs 〔某些动物的〕甲壳，介壳:
The turtle put its head into its shell. 海龟把头缩进了壳里。
2 a metal container filled with explosive material, which is fired from a large gun 炮弹
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