氨基酸是弱酸和弱碱, 因此, 它们是很好的缓冲剂.Amino acids are weak acids and weak bases, therefore, they are excellent buffering agents.缓冲剂可以像烤面包的苏打粉那样使用,它们都能够使ph值保持稳定.Buffers can be used like baking soda will help keep ph stable.着重叙述了缓冲剂原理及...
晚会的音乐飘到了外面的露台上。The music from the party wafts out to the terrace.晚会以五彩斑斓的焰火表演结束。The evening ended with a dramatic display of fireworks.啊，他们玩个没完没了，他们很喜欢这个晚会。Gee whiz, they carried on and on, they loved the evening....
Gold and green satin brocade drapes hung at the windows.窗上挂着金碧辉煌的缎子窗帘.The sofa was covered with expensive brocade.沙发上铺上了华贵的织锦.Aesthetic taste and the level of technic refrains the handicraftTujia brocade.审美眼光和技巧的高低制约着织锦工...
Albus Dumbledore is the greatest sorcerer in the world!阿不思·邓不利多才是世界上最伟大的魔法师!Albus Dumbledore: Don't fight him Harry, you can't win!阿不思·邓布利多: 不要和他打,哈利, 你赢不了他!Albus Dumbledore: I'm afraid so, professor. The ...
She was politically astute.她很有政治头脑。He is an extremely astute political tactician.他是个极其精明的政治谋略家。The criminal was very astute and well matched the detective in intelligence.这个罪犯非常狡猾,足以对付侦探的机智....