sock是可數名詞還是不可數名詞

　　例句：

　　You're wearing odd socks!

　　你穿的襪子不成雙呀！

　　My feet were like blocks of ice despite the thermal socks

　　雖然穿了保暖襪子，我的雙腳還是像冰塊一樣。

　　I put on a new pair of nylon socks.

　　我穿上了一雙新尼龍襪。