嗯?又到丧病的时间了?
Thread@{a, b}
a~Riffle~b~Partition~2
Outer[List, a, b] // Diagonal
Inner[List, a, b, List]
List @@@ (a b)
Flatten[{a, b}, {{2}, {1}}]
i = 1; {#, b[[i++]]} & /@ a
{a, b}\[ConjugateTranspose] /. _[a_] :> a
Function[{a, b}, {a, b}, Listable][a, b]