Incidence of neurodeelopmental impairment was 39% in the hydrocortisone group and 44% in the placebo group, a difference that was not statistically significant.是什么意思_Incidence of neurodeelopmental impairment was 39% in the hydrocortisone group and 44% in the placebo group, a difference that was not statistically significant.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句