weight即可做可数名词[C]又可做不可数名词[U]  名词  n. 1.重,重量;体重[C][U]  What  is  your  weight? 你体重多少? 2.砝码[C]  3.重物;镇石;文镇[C]  4.重量单位;(毒品)一磅重[U][C]  5.(精神的)压力;重担;负担[C][(+on/off)]  That's  quite  a  weight  off  my  mind. 那真叫我如释重负. 6.价值;重要性;势力;影响[U]  Our  boss's  opinions  seem  to  carry  very  little  weight  at  home. 我们老板的意见在家里似乎没有什么权威. Matters  of  great  weight  are  handled  by  the  general  manager  himself. 重大问题由总经理亲自处理.
weight是可数名词还是不可数名词