Tryptamine, cadaverine and histamine produced during beer brewing could improve beer flavor and beer quality. 啤酒中常见的生物胺有酪胺;啤酒酿造过程产生适量色胺、尸胺、组胺,能改善啤酒风味,提高啤酒质量.
很难找到彼此间差异更大的人了。It would be difficult to find two men who were more dissimilar.差异在于，你们是英国血统，而我们是拉丁裔的。The difference is, you are Anglo-Saxons, we are Latins.比较两类人可以发现有趣的差异。Interesting distinctions can be drawn between the ...
Zoologists refer barnacles to Crustanceans.动物学家把螺蛳归入甲壳类.They scraped off the barnacles that always encrusted on the ship's hull.他们刮去总是附在船身外面的甲壳动物.Nautical To encrust ( a ship's hull ) with foreign matter, such ...