飲み物など不可算名詞の数え方まとめ!(a piece/cup/glass of) https://yumemiru2-blog.com/%e9%a3%b2%e3%81%bf%e7%89%a9%e3%81%aa%e3%81%a9%e4%b8%8d%e5%8f%af%e7%ae%97%e5%90%8d%e8%a9%9e%e3%81%ae%e6%95%b0%e3%81%88%e6%96%b9%e3%81%be%e3%81%a8%e3%82%81%ef%bc%81a-piece-cup-glass-of/