Tisane is an herbal infusion not made from the leaves of the tea bush.

草药茶是一种不是由茶树的叶子制成的草药浸液。

Herbal tea — An herbal tea, tisane, or ptisan is an herbal infusion not made from the leaves of the tea bush. Tisanes can be made with fresh or dried flowers, …

草药茶（凉茶）——凉茶、汤药、大麦茶等都是由草药制成的，而不是茶树的叶子。

Convinced that the camellia tisane was not dangerous, he took a sip of it and found that it tasted refreshing: aromatic, slightly bitter, stimulating, and restorative.

神农很清楚那种茶树叶没有毒，他尝了一口茶汤，觉得这汤水有香气，微苦，提神，爽口，是滋补的良药。