error 是可数名词吗？ 能不能用errors?

是可数名词

错误,失误,差错[C]
There's an error in your calculation.
你计算中有个错误。

能用an 的一定是可数 所以也一定能用errors

补充：可笑 谁说的是不可数 你找来任何一本字典查查看 要有凭有据才能说

是可数名词.例子:
单数: Certainly she had often, especially of late, thought his manners to herself unnecessarily gallant; but it had passed as his way, as a mere error of judgment, of knowledge, of taste, as one proof among others that he had not always lived in the best society, that with all the gentleness of his address, true elegance was sometimes wanting; but, till this very day, she had never, for an instant, suspected it to mean any thing but grateful respect to her as Harriet's friend.
选自-Emma by Austen, Jane
复数:First, errors of observation, concerning the distance of the projectile from the surface of the moon, for on the 11th of December it was impossible to see it; and what Joseph T.
选自-Round The Moon by Verne, Jules
还有外国同事常会说"any errors let me know.

不行的，它是