Pormeability factors
[医] 透过性因子
🧩 词语组成解析
n. 因素（factor的复数）
🗣️ 情景例句
about my not wanting to go into medicine?
对我不学医？
How much is a hair cut?
剪一次头发要多少钱？
He fell behind with his work.
他工作落后了。