ratardation

常见例句

• The developmental ratardation of brain in rats induced by prentalexposure to HTO had observed by measuring the contents of cerebral amino acids.
  以脑组织中游离氨基酸含量为指标,观察出生前因氚水照射引起的大鼠脑发育障碍。
• Mental ratardation children
  精神发育迟滞儿童
• material ratardation
  实质性阻碍
返回 ratardation