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；
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