词典释义：
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跨境炮击；跨界炮击；越界炮击
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Out on the streets, the shelling continued.
在外面街道上，炮击在继续。
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Just as they were leaving the rebels started shelling.
他们正撤离时，叛军开始炮击。
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We suffered weeks of heavy shelling.
我们遭受了几星期的密集炮击。
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Things are bad enough without our own guns shelling us.
本来情况就够糟的了，偏偏我们自己的大炮又向我们开起火来。
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Whole neighbourhoods have been squashed flat by shelling.
整个的居住区已经被炮火夷为平地。