Read Edit View history 上面级 shàngmiànjí upper stage Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 上面级/ 上面級 shàngmiànjí upper stage noun · the upper stage of a multi-stage rocket 这枚火箭的上面级成功地将卫星送入了预定轨道。 Edit Delete References Add reference No references for this word.
上面级/ 上面級 shàngmiànjí upper stage noun · the upper stage of a multi-stage rocket 这枚火箭的上面级成功地将卫星送入了预定轨道。 Edit Delete