橘子朗文词典

Silurian period

橘子朗文词典

同根派生

     

英汉例句

  • Ancient plant in the early Paleozoic marine mainly to the late Silurian Period, the original plants begin boarding land.
    古植物在古生代早期以海生藻类为主，至志留纪末期，原始植物开始登上陆地。