单词:sabana
[地名] [苏里南] 萨巴纳; [地名] [哥伦比亚、古巴、墨西哥] 萨瓦纳
单词:sabana 相关文章
Worms Get Ready to Fly in Space 蠕虫准备在太空中飞行 Humans are well-equipped for life on Earth. But in space, it is a different story. Low or zero gravity changes how the blood flows and causes motion sickness, muscle loss and tiredness. W
发表于:2019-01-12 / 阅读(92) / 评论(0)
2015年VOA慢速英语(三)月