noun 下载 🔗分享 中间层，中气层。 The layer of the Earth's atmosphere that is directly above the stratosphere and directly below the thermosphere. Examples : "Satellites need to be above the mesosphere because the air is too thin to provide lift for airplanes, but thick enough to cause too much drag for long-term satellite orbits. " 卫星需要运行在中气层之上，因为那里的空气过于稀薄，飞机无法获得升力；但空气又足够稠密，会对卫星的长期轨道造成过大的阻力。 space astronomy geography environment science weather 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 中间圈, 中间层 The part of the Earth's mantle below the asthenosphere and above the outer core. Examples : "Geologists study the Earth's interior layers, including the mesosphere, which lies between the asthenosphere and the outer core. " 地质学家研究地球内部的各个圈层，包括中间圈，它位于软流圈和外核之间。 geology physics nature science environment 与AI对话词汇游戏阅读练习
