These results are instructively important for determining combustion heat safely.这些结果对安全地测定燃烧热具有指导意义....

adv.有益地，有教益地，教育地...

instructively的音标：instructively的英式发音音标为：[ɪn'strʌktɪvlɪ]instructively的美式发音音标为：[ɪn'strʌktɪvlɪ]...