cookie可数吗为什么

　　例句：

　　At the end of the meal, Amy was given a fortune cookie.

　　饭后,艾米得到了一块幸运饼干。

　　She really is a tough cookie.

　　她真正是个铁娘子。

　　That was Nicholas's cue to ask for another chocolate chip cookie.

　　那表示尼古拉斯还想要一块巧克力曲奇。

　　A young boy is standing on a stool, reaching for a cookie jar, and the stool is about to tip.

　　一个小男孩正站在凳子上，伸手够一个曲奇罐子，凳子眼看就要歪了。

　　He's a tough cookie.

　　他是条硬汉子。