即可做可数名词[C]又可做不可数名词[U],给你几个例子就知道什么情况怎么用了名词 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...如果是in weight没有s