时间:2019-03-13 作者:英语课 分类:英语单词荟萃


英语课

今天我们要学的词是 drone. Drone 无人驾驶飞机。The FAA issued commercial drone permits to four companies. 美国联邦航空局向四家公司颁发了使用商业无人机的许可证。与此同时,Amazon claimed its plans to develop a fleet of small drones to deliver packages are being hampered 1 by federal regulations and threaten to take more of its research resources abroad. 亚马逊表示,他们正在研制用于送货的无人机的计划受到联邦规定的阻碍,并威胁说要把更多的研究资源转移到国外去。好的,今天我们学习的词是 drone, drone, drone...



妨碍,束缚,限制( hamper的过去式和过去分词 )
  • The search was hampered by appalling weather conditions. 恶劣的天气妨碍了搜寻工作。
  • So thought every harassed, hampered, respectable boy in St. Petersburg. 圣彼德堡镇的那些受折磨、受拘束的体面孩子们个个都是这么想的。
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