Gold rimmed spectacles bit deep into the bridge of his nose.金边眼镜深深嵌入他的鼻梁。She took off her spectacles.她摘下了眼镜。The aurora is one of nature's most awesome spectacles.极光是自然界最可畏的奇观之一.People wear spectacles so that they ca...
应提倡温和碱性洗脱剂方法的探索.The development of Methods: That involve moderately alkaline eluents should be encouraged.脱脂奶粉是廉价的蛋白质洗脱剂.Nonfat dry milk is an inexpensive proteinaceous eluent.早期纯化这类抗体是用稀酸或稀碱洗脱.In early purifications of ...
an 18-carat gold ring18开的金戒指She has a four - carat stone in her ring.她的戒指镶有一颗四克拉的宝石.Can you believe that he bought her a 5.3 - carat diamond ring?你知道吗,他买了一颗5.3克拉的钻石戒指给她?...