单词:aluminum-alloy hull
单词:aluminum-alloy hull 相关文章
material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspi
China is working on next-generation bullet trains with a maximum operational speed of 400 km per hour that will be ready by 2020 for markets linked to the Belt and Road Initiative, the country's top railway vehicle maker said. 国内最大的轨道客车
I like to joke that I am who I am today because I did everything wrong in my 20's. I've always been fearless, and it often got me in trouble. I wasn't afraid to start a business, borrow a bunch of money, or quit a well-paying job to travel the world.
alienate v. 使疏远 allegory n. 寓言;讽喻 alleviate v. 使减轻 alliance n. 联盟,同盟 allocate v. 分配;定位置 alloy n./v. 合金,融合 allude v. 提及;暗指 allure v./n. 引诱
美国航空航天局科学家测试新型飞机 The U.S Aeronautics and Space Administration, NASA, is commonly associated with space exploration, but aeronautics is still a big part of the agencys research. Engineers at its Aeronautics Research Cen