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
What can I do to cheer her up?
我要怎么做才可以让她振作起来？
Necessity and oportunity may make a coward valient.
需要和机会可能使懦夫变成勇士。
Many of the stars cannot be seen because they are too far away.
许多星星我们之所以看不见，是因为它们离我们太远。