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
Friends, teachers....
朋友 老师……
How could that be?
怎么可能有这种事？
The dealer told him that it had just come in, but that he could not be bothered to open it.
古董商告诉他那只货箱刚到不久，但他嫌麻烦不想把它打开。