For example, they left four retroflectors, which are essentially fancy expensive mirrors, so they could measure how far the moon is from earth by timing how long it takes for
例如,他们留下了四个后向反射器, 它们本质上是昂贵的镜子,因此他们可以通过计算月球离地球的距离来计算月球离地球的距离。
单词 | retroflectors |
例句 |
原声例句
冷知识百科大全 For example, they left four retroflectors, which are essentially fancy expensive mirrors, so they could measure how far the moon is from earth by timing how long it takes for 例如,他们留下了四个后向反射器, 它们本质上是昂贵的镜子,因此他们可以通过计算月球离地球的距离来计算月球离地球的距离。 |
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