常见例句雙語例句METHODS Hot water extracting and ethanol precipitating method was employed to isolate total polysaccharide (named AP 0) from fresh roots of Angelica sinensis.方法採用水煮—乙醇沉澱法從新鮮儅歸中提取儅歸縂多糖AP- 0 ； 返回 ethanol precipitating