Fractional cultivation
[医] 分离培养, 分种培养
🧩 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;
cultivation
[ˌkʌlti'veiʃən]
n. 教养;栽培;耕作;（关系的）培植;
🗣️ 情景例句
but to help with the paint job.
还要帮忙粉刷。
How tall?
多高？
I received an invitation, but I did not accept it.
我收到-份请帖，但没有接受。