从multidemsional数组中提取列

Sys*_*ral 1 perl

我有一个多维数组

my @multi = ( [ 1, "first", "a" ], [ 2, "second", b ], [ 3, "third", c] ... );
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我想提取一个单维数组:

[ "first", "second", "third" ... ]
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这些将是对@multi [0] [1],@ multi [1] [1],@ multi [2] [1]的引用的组合......

我该怎么做呢?