单词：prueher
[人名] 普吕厄
单词：prueher 相关文章
Rubber May Soon Come from Weed 橡胶或很快能从杂草提炼 People have been using products made with synthetic rubber for more than a century. But high-quality tires for cars, trucks and aircraft still must contain 40 percent or more natural ru
发表于:2019-01-12 / 阅读(144) / 评论(0)
2014年VOA慢速英语(九)月
2014年VOA慢速英语(九)月
Rubber May Soon Come From Dandelions Synthetic rubber has been around for more than a century, but quality tires for cars, trucks and aircraft still need up to 40 percent or more natural rubber content. As the source of natural rubber, the rubber tre
发表于:2019-01-14 / 阅读(129) / 评论(0)
VOA标准英语2014年(八月)
VOA标准英语2014年(八月)