retardation n. 迟延,推迟,迟滞;阻碍;迟延程度,妨碍量;【物理学】减速度,妨碍物;【心理学】发育迟缓;迟钝。
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例句与用法
Protective effect of basic fibroblast growth factor in the brain of fetal rats with intrauterine fetal growth retardation 碱性成纤维细胞生长因子对宫内生长受限胎鼠脑保护作用的研究
The second hand smoke inhaled by a non - smoking pregnant woman can affect the nutrition absorption of the fetus . it may lead to abortion , fetal growth retardation , stillbirths or early neonatal deaths 一个不吸烟的母亲吸入二手烟,会影响胎儿摄取营养和正常发育,可导致流产,婴儿瘦弱,或夭折。
Second hand smoke inhaled by a non - smoking pregnant woman can affect absorption of nutrition of the fetus . it may lead to abortion , fetal growth retardation , stillbirths or early neonatal deaths 不吸烟的孕妇吸入二手烟,会影响胎儿摄取营养,妨碍胎儿正常发育,并导致流产、胎死腹中或初生婴儿死亡。