shells
['ʃelz]
n.
（贝、卵、坚果等的）壳( shell的名词复数 );
外壳;
炮弹;
（人的）表面性格;
例句:
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Three mortar shells had landed close to a crowd of people.
3枚迫击炮弹落在人群旁。
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Reserve the shells and set the tail meat aside.
来自BBC
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Cut the lobster shells into small pieces with heavy-duty scissors.
用粗剪将龙虾壳剪成小片。
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Enemy forces lobbed a series of artillery shells onto the city.
敌军对该城发起连串炮轰。
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Several videos showed shells hitting parts of the city.
来自VOA
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Take all the clams and mussels from their shells.
来自BBC