Lighter than air
本文作者： TEENS
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! |  |
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中报二十一世纪（北京）传媒科技有限公司版权所有，未经书面授权，禁止转载或建立镜像。 主办单位：中国日报社 Copyright by 21st Century English Education Media All Rights Reserved 版权所有 复制必究 网站信息网络传播视听节目许可证0108263 京ICP备13028878号-12  京公网安备 11010502033664号
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