grapes是可数名词。
grape：n.葡萄；
grape的复数： grapes；
例如：Each grape means a good month in the new year!
Discussion on Classification and Relationship of Chinese Wild Species of Grape.
我国葡萄属植物分类与亲缘关系的探讨。
evaluation of Grape Quality and Relationship Between Grape Quality and Soil Texture.
葡萄品质的评价及其与土壤质地的关系研究。
The purpose was to provide basis for optimal grape packaging structure design.
为葡萄包装结构设计的优化提供了依据。
温馨提示：
