Fractional ultrafiltration
[医] 分步超滤法
🧩 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;
n. [化学] 超滤, [环境] 超滤作用
🗣️ 情景例句
Mike and I had a hamburger at the diner. Mike
和我在火车厢餐厅那里吃了汉堡。
I used to take a walk in the early morning.
我过去常一大早出去散步。
Looking at his watch, he saw that it was one o'clock, but the bell struck thirteen times before it stopped.
他一看表，才1点钟，可是那钟一边敲了13下才停。