A.茶则 B.茶针 C.盖碗 D.茶夹
A.May I have your name please? B.How do you do?What kind of tea do you like? C.Would you like oolong tea? D.Would you like black tea?
A.咖啡碱 B.矿物质 C.茶多酚 D.氨基酸