常見例句A very small,often dust - sized meteoroid. 微流星體很小的，塵埃大小的流星體Of,relating to,or formed by a meteoroid. 流星(體)的屬于、關(guān)于流星體的或由流星體形成的Of, relating to, or formed by a meteoroid. 流星（體）的屬于、關(guān)于流星體的或由流星體形成的A very small, often dust-sized meteoroid. 微流星體很小的，塵埃大小的流星體Meteoroids are small particles in space with size similar to grains of sand. 宇宙充塞著沙粒大小的流星體。Studies on meteoroid streams are briefly and systematically presented. 對(duì)流星群的研究作了簡(jiǎn)明而系統(tǒng)的介紹。 返回 Meteoroids