weight可数吗？
weight即可做可数名词又可做不可数名词。
名词 n.
1、重,重量;体重
What is your weight?
你体重多少?
2、砝码
3、重物;镇石;文镇
4、重量单位；一磅重
5、(精神的)压力;重担;负担(+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
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。