读报
登录注册网站首页
 

SCIENCE STUDY

Lighter than air

作者:TEENS
Aa
  • -   
  •    +


Airships use very light gas to fly. ASVRI

首款国产载人飞艇问世啦!

Have you ever seen an airship (飞艇)  before? It’s like a submarine (潜水艇) flying in the sky. This year, you might see one here in China!

点击阅读全文
联系我们  |  诚聘英才  |  关于我们  |  版权声明
© i21st.cn   京ICP备2024066071号-1
 
选择报纸
选择报纸
关闭