ray可数名词还是不可数名词?

ay [美] [re] [英] [rei] 名词 1.光线,热线,电流[可数名词] My eyes were blinded by the direct rays of light.在光线的直射下,我看不清楚东西.2.【动】鳐[可数名词] 3.【动】辐肋,鳍刺[可数名词] 4.【植】伞形花序枝;星状毛分枝[可数名词] 5.(智慧等的)闪现,闪光[S][(+of)] 6.微量,丝毫[S][(+of)] I was left without a ray of hope.我连一线希望也没有了.7.视线,目光[P] All eyes directed their rays on the hero.所有人的目光都汇集到那位英雄身上.8.放射状线条[可数名词] 9.射线,辐射线[P] The gun can fire invisible rays.这枪能发出看不见的射线.很明显,是可数名词.