在里根国家机场发生近乎碰撞之后,参议员们质疑联邦航空局的监督工作。 Senators question FAA oversight after near collisions at Reagan National Airport.

Reagan国家机场的直升机和商用喷气机之间的密切通话促使参议员们质疑联邦航空管理局的监督。 Close calls between helicopters and commercial jets at Reagan National Airport have prompted senators to question the Federal Aviation Administration's oversight. 在美洲农村地区,由于牙医短缺和水分不足,人们担心牙齿腐烂现象不断加剧。 In rural America, a shortage of dentists and fluoridated water has led to concerns about rising tooth decay. 一家德国公司正在开发人工智能无人机 来及早探测野火 A German company is developing AI-powered drones to detect wildfires early. 在中国发现的石头工具 暗示着尼安德特人在严酷的环境中 施加了影响 Stone tools found in China hint at Neanderthal influence in a harsh environment. 世界上最复杂的手表 追踪天体运动和钟声 The world's most complex wristwatch tracks celestial movements and chimes with gongs.