shortsight可数吗
short sight 的意思是近视，目光短浅，是不可数名词。
I feel Im having short sight, so I have to go and have my eyesight tested.
我感觉我近视了，因此我得去检查一下视力。
sight的例句
Her sight is beginning to go.
她的视力开始下降。
They finally lost sight of land.
他们终于看不见陆地了。
There was no one in sight.
一个人也看不见。
The disease has affected her sight.
这种病影响了她的视力。
She has very good sight.
她的视力很好。
