[Help-bash] Specifying multiple index numbers in array

[Jerry]

I thought I saw a way to do this; however, I cannot find that article.

Assume I have and array with 7 items.

declare -a FOO=(zero one two three four five six)

now, if I wanted to extract index 2 and index 4, how could I do it?
I could use ${FOO[2]} and ${FOO[4]}; however, I wanted to do it in a
simpler fashion, something like ${FOO[2][4]} or something similar. Is
it possible?

-- 
Jerry ♔

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