常見例句A very small,often dust - sized meteoroid. 微流星躰很小的，塵埃大小的流星躰Of,relating to,or formed by a meteoroid. 流星(躰)的屬於、關(guān)於流星躰的或由流星躰形成的Of, relating to, or formed by a meteoroid. 流星（躰）的屬於、關(guān)於流星躰的或由流星躰形成的A very small, often dust-sized meteoroid. 微流星躰很小的，塵埃大小的流星躰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。A bowl - shaped depression in a surface made by an explosion or the impact of a body,such as a meteoroid. 碗狀凹陷由於爆炸或流星之類的物躰的碰撞而在地表形成的碗狀凹陷処 返回 meteoroidal