ratardation
基本解释
- 緩凝
英汉例句
- The developmental ratardation of brain in rats induced by prentalexposure to HTO had observed by measuring the contents of cerebral amino acids.
以腦組織中遊離氨基酸含量爲指標,觀察出生前因氚水照射引起的大鼠腦發育障礙。 - Mental ratardation children
精神發育遲滯兒童 - material ratardation
實質性阻礙