na·da /ˈnɑdə/
納達抗變色銅合金
nada
n : a quantity of no importance; "it looked like nothing I had
ever seen before"; "reduced to nil all the work we had
done"; "we racked up a pathetic goose egg"; "it was all
for naught"; "I didn't hear zilch about it" [syn: nothing,
nil, nix, null, aught, cipher, cypher, goose
egg, naught, zero, zilch, zip]