n. 一种铜基合金

[ noun ]
a quantity of no importance
<noun.quantity>
it looked like nothing I had ever seen beforereduced 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

nada \nada\ n.
1. [Spanish] Nothing. [informal or jocose]

Note: [used mostly jocosely or for emphasis in phrases such
as ``Nothing, nada, zip!'']
[PJC]