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
Good night, Robbie.
晚安，Robbie。
There is a tremendous responsibility involved in raising children.
养育孩子是一桩责任重大的事情。
His answer was to lift the vessel out of the water by making it ride on a cushion of air,
他的解决办法是把船体提离水面，让船在一个气垫上行驶，