六级That was confirmed in the early 1990s by the American Magellan orbiter which used radar to peer through the planet's thick clouds and mapped out a rich, varied and dynamic surface.
20世纪90年代初,美国麦哲伦轨道飞行器证实了这一点,该飞行器利用雷达探测地球的厚云,绘制出一个丰富、多样和动态的表面。
2019年6月六级真题(第二套)听力 Section C
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