日本三级无码啪啪区|午夜视频久久一区久久一|AAAAA一级黄片|日本久久99久久|国际精品AV在线|狠狠2015亚洲一区|美腿丝袜亚洲网站|欧美色多多人人看|国产超碰美女在线|www色色在线色

單詞乎

law of gravitation

law of gravitation是什么意思、law of gravitation怎么讀

law of gravitation漢語翻譯

引力定律
【醫(yī)】 萬有引力定律, 牛頓氏定律

law of gravitation英語解釋

名詞 law of gravitation:

  1. (physics) the law that states any two bodies attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them
    同義詞：Newton's law of gravitation

law of gravitation例句

  1. Who discovered the Law of Gravitation?
    誰發(fā)現了引力定律？
0
糾錯