germ ring

英 [dʒɜːm rɪŋ] 美 [dʒɜːrm rɪŋ]

胚环

医学



双语例句

  1. Before and after the closure of the germ ring, the embryo had 3 and 6 pairs of myotomes.
    胚孔封闭前肌节3对,封闭时肌节6对;