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