行星际 xíngxīngjì interplanetary Definitions Defs Origin Strokes Stroke Words Sentences Sents 行星际 行星際 xíngxīngjì interplanetary Relating to the space between planets; specifically within the solar system.
行星际 行星際 xíngxīngjì interplanetary Relating to the space between planets; specifically within the solar system.
