interplanetary
adj. 太阳系内的；行星间的
例句
An even smaller type of interplanetary debris is the meteoroid.
有一种更小的星际碎片，是流星体。
Soon everyone will be dreaming of interplanetary travel again, he predicts.
他预测，很快每个人都会再次梦想星际旅行。
Could those experiments provide insights profound enough to justify the expense of sending people across interplanetary space?
这些实验能提供足够深刻的见解，从而将把人送到星际空间的花费合理化吗？
