bone可以是可数名词。
bone作可数名词意为“骨头；骨”，作不可数名词意为“骨质”，所以在使用上要根据具体语境进行分析。
相关介绍
Her mouth felt as dry as a bone.
她感到口干舌燥。
The dog had buried its bone in the garden.
狗把骨头埋在花园里。
She made no bones about telling him exactly what she thought of him.
她毫无保留地把对他的看法照直告诉了他。
