单词：farad(F)
法拉弟{电容单位}
单词：farad(F) 相关文章
The U.N. refugee agency says it is increasingly concerned about the humanitarian situation in eastern Democratic Republic of Congo as attacks by the Ugandan rebel group, the Lord's Resistance Army, continue. The UNHCR says the number of deaths, abdu
发表于:2019-01-13 / 阅读(58) / 评论(0)
VOA标准英语2009年(一月)
VOA标准英语2009年(一月)