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....
We picked up two submarines on sonar.我们用声呐系统观察到两条潜水艇.They bottled up the submarines in their nest.他们把潜艇困在巢穴里,使其无法出击.He had a fascination for submarines and joined this branch of the service.他对潜艇非常着迷，因此加入了潜艇部队。...