juice是不是可数名词

　　Would you care for some orange juice?

　　你想要些橙汁吗？

　　Squeeze the juice of half a lemon over the fish.

　　把半个柠檬的汁挤在鱼上。

　　Add the lemon juice and mix well.

　　加进柠檬汁并搅拌均匀。