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...
全国各地学生前途未卜。Students all over the country are facing an uncertain future.阿卜杜勒动辄责骂他抽烟太凶。Abdel felt free to tick him off for smoking too much.重新涌上心头的记忆让哈比卜愁眉苦脸。Habib grimaced at the revived memories....
I condole with you. We have lost a most dear and valuable relation.我向你表示唁慰. 我们失去了一位最可爱的、最可贵的亲人."Dear boy," she crooned, hugging him heartily.“乖儿子，”她轻声说着，把他紧紧地抱在怀里。"Ooh dear me, that's a bit of a racist comment isn&#...