如果与茶叶接触时水是沸腾的，就会提取出高比例的多酚化合物，使得这种热饮料过分涩口。
If water boils when it is in contact with tea leaves, a high proportion of polyphenolic compounds are extracted. These make the hot beverage excessively astringent.
如果与茶叶接触时水是沸腾的，就会提取出高比例的多酚化合物，使得这种热饮料过分涩口。
If water boils when it is in contact with tea leaves, a high proportion of polyphenolic compounds are extracted.
车况、燃油质量、高比例的柴油车及气候等因素是造成路边空气中羰基化合物污染的重要原因。
Vehicular maintenance, oil quality and high proportion of diesel-run vehicles may be top factors to cause higher concentrations of carbonyl pollutants in Guangzhou.
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