单词：converters
n. 转换器（converter的复数）
n a device for changing one substance or form or state into another
单词：converters 相关文章
Diesel fuel in the US and the fumes from diesel engines are about to get a whole lot cleaner. As of today, the Environmental Protection Agency is requiring much of the diesel in the country to have 97% less sulfur in it. It's the start of a project
发表于:2019-01-07 / 阅读(377) / 评论(0)
2006年NPR美国国家公共电台
2006年NPR美国国家公共电台