久青草国产手机视频免费观看_毛片网站是多少_亚洲视频中文_一区二区高清在线

首頁英語詞典meridianmeridian英英釋意

meridian

英 [m?'r?d??n] 美[m?'r?d??n]
  • adj. 子午線的；最高點的
  • n. [天] 子午線，[天] 經(jīng)線；頂點

英英釋意

1. an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator;
"all points on the same meridian have the same longitude"