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.咖啡堿 B.礦物質(zhì) C.茶多酚 D.氨基酸
A.綠茶 B.紅茶 C.黑茶 D.重發(fā)酵烏龍茶