The mucus may be yellow, green, or even have blood in it.
痰液可能是黄的，绿的或甚至里面带血。
Green tea has also been shown to improve blood flow and lower cholesterol.
研究显示，常饮绿茶能帮助改善血液流、降低胆固醇。
罗迪亚人的血是绿色的。
The leaves of the blood lily are large and thin, remaining green year round.
的血百合叶片大而薄，全年仍然保持绿色。
The leaves of the blood lily are large and thin, remaining green year round.
的血百合叶片大而薄，全年仍然保持绿色。
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