interplanetary matter

• 行星际物质

interplanetary matter的用法和样例：

例句

1. Molecular clouds play an integral role in the prestellar evolutionary sequence of interstellar matter.
   分子云在星际物质的星前期演化序列中起着不可缺少的作用。
2. Because they are rearranging the interstellar matter that is the raw material for further star formation, they may affect the rate of star formation in a galaxy.
   星群爆发意味着重组星际物质，而这些星际物质恰恰是新星形成的原料，因此，星群爆发可能影响星系中新星形成的速度。