行星际物质的英文

extraterrestrial material

interplanetary matter

interplanetary medium

• 行星:    planet
• 际:    border; boundary; ...
• 物质:    matter; substance; ...

例句与用法

1. With the sun locating at the centre , our solar system is consisted of the eight planets and their satellites , dwarf planets , asteroids , comets , meteoroid and interplanetary matter
   我们的太阳系，是以太阳为中心，由八大行星及其卫星矮行星小行星彗星流星体和行星际物质所构成的天体系统。