常见例句Research shows that this will prevent embryos from getting oxygen and nutrientsubstance which are necessary for life.研究表明，這會妨礙胎兒獲得發育所需要的氧氣和營養物質，這可能對胎兒造成傷害，引起早産或胎兒躰重不足。 返回 nutrientsubstance