What are the tastes of tea?

Tea tastes strong, fresh, sweet, mellow, bitter, astringent, light and sour. Green tea first feels a little astringent, and then turns sweet, such as those with olives. Black tea is rich, fresh, mellow and sweet. Oolong tea has the sweetness of red green tea; Scented tea is best fresh and delicious; It is best to use compressed tea with mellow taste. All kinds of tea are plain, rough and have poor grass fragrance.