茶垢 cha2 gou4

tea stain (on the inside of a tea pot, tea cup etc)

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cha2

gou4

📖 Additional Information

English Phonetic: ti:
Detailed Definition: n. a beverage made by steeping tea leaves in water\nn. a light midafternoon meal of tea and sandwiches or cakes\nn. a tropical evergreen shrub or small tree extensively cultivated in e.g. China and Japan and India; source of tea leaves\nn. a reception or party at which tea is served