色欲tv国产亚洲_久久午夜夜伦鲁鲁影院_一级特黄无码A片在线观看_免费黄色性感一级片_国内破女处破苞视频hd_欧美三级少妇免费_亚洲美腿丝袜福利一区_白丝秘书被躁到高潮视频av_91麻豆精品分享的内容是很丰富的_国产原创免费av网站

首頁英語詞典meteoroidmeteoroid的意思

meteoroid

英 ['mi?t??r??d] 美['mit??r,??d]
  • n. [天] 流星體

英文詞源


meteoroid (n.)
"rock floating in space, which becomes a meteor when it enters Earth's atmosphere," formed in English, 1865, from meteor + -oid.

雙語例句


1. The cometary ejection play a crucial role in formation and evolution of the meteoroid stream.
彗星的噴發(fā)速度在流星群的演化過程中起著重要作用.

來自互聯(lián)網(wǎng)