如何在F#中反转矩阵？

let reverseMatrix (matrix: 'a list list) =
    matrix
    |> List.map List.rev
    |> List.rev

[
    [1; 2; 3]
    [4; 5; 6]
    [7; 8; 9]
]

[
    [9; 8; 7]
    [6; 5; 4]
    [3; 2; 1]
]