Do you mean "print a single row of a two-dimensional array?
A single-dimensional array is pretty much a row: row 0. In that case

print @array;
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would do it. A two-dimensional array in Perl is an array of array references. In that case the row needs to be dereferenced. The following are two ways it can be done.

use strict;

my @a = (qw/a b c/);
my @b = (qw/d e f/);
my @c = (qw/g h i/);
my @d = (\@a, \@b, \@c);

print @{ @d[0] }; #print the first row (a b c)
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Or

use strict;

my @a = (qw/a b c/);
my @b = (qw/d e f/);
my @c = (qw/g h i/);
my $d = [\@a, \@b, \@c];

print @{ $d->[1] }; # print the second row (d e f)
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hope this helps,
--david