P.p.factor p.p.
[医] P.P.因子, 抗糙皮病因子
🗣️ 情景例句
Yes. We're planning
是的。我们计划
Everything is going according to schedule.
一切在按照预定计划进行。
This immense chasm has been formed by an underground stream which has tunneled a course through a flaw in the rocks.
这个深邃的洞穴是由一条地下暗泉冲刷岩石中的缝隙并使之慢慢变大而形成的。