1.interstellar adj. [航][天] 星际的
These elements become part of the interstellar gas and dust.
这些元素成了星际气体和星际尘埃的一部分 。
2.phonograph record n. 唱片
Would you play the reverse side of that phonograph record please ?
请播放那张唱片的反面好吗 ?
3.vastness n. 巨大;广大;广漠
The vastness of space defied comprehension.
外层空间的茫茫无垠让人无法弄清其究竟 。