Fractional efficiency
[化] 分级效率
🧩 词语组成解析
fractional
['frækʃənl]
adj. [数]分数的，小数的;微小的，极小的;部分的，少量的;零碎的;
🗣️ 情景例句
The little boy held his mother's hand firmly when crossing the street.
那小男孩过马路时紧抓着母亲的手。
Eat to please thyself, but dress to please others.
吃是使自己受用，穿是使别人受用。
People enjoyed the stamps very much.
人们非常喜爱这些邮票。