基本解释营养物质同根派生 nutrientsubstance相关词英汉例句Research shows that this will prevent embryos from getting oxygen and nutrientsubstance which are necessary for life.研究表明，这会妨碍胎儿获得发育所需要的氧气和营养物质，这可能对胎儿造成伤害，引起早产或胎儿体重不足。nutrientsubstance更多例句