我们想跟孩子们一起制作硫酸铜晶体。We tried to grow some copper sulphate crystals with our children.这些薄薄的晶体传导了大部分的动力。These thin crystals transmit much of the power.那种酸在晶体表面蚀刻出一些小孔。The acid etched holes in the crystal surface....
Together with Fitch , the number three , they have over 95 %.如果加上排名第三的Fitch, 这一比例将超过95%.Mike Simonton is a media analyst at Fitch Ratings.MikeSimonton是Fitch等级评定的媒体分析家.According to Fitch, the average investment bank holds...
Their sons, Ben and Jonathan, were three and six respectively.他们的儿子，本和乔纳森，分别是3岁和6岁。Julie and Mark, aged 17 and 19 respectively朱莉和马克，年龄分别为17岁和19岁Metal, oil and soap contains foreign matter, respectively.金属 、 油和肥皂中分别含有杂质....