The basic concepts of colorimetry were expressed by Grassman in 1853.测色学的基本概念早于1853年由格腊斯曼加以阐述.The content of ginsenoside in Panax quinquefolium L was determined by colorimetry.用香草醛-冰醋酸比色法测定西洋参中总皂甙的含量.Methods: The content...
He has been arrested by mistake.警方误抓了他。He opened Ingrid's letter by mistake.他不小心拆了英格丽德的信。She let the news slip by mistake , in an unguarded moment.她一不留神泄漏了消息....
As an overseer, he suddenly found himself a person of consequence.作为工头，他突然觉得自己是个重要人物。I was put in the tailor shop, and I loved it. I was promoted to overseer.我被安排到缝纫车间，结果我很喜欢这项工作，后来还晋升为工头。When the overseer was not in, mo...