P.p.factor p.p.
[医] P.P.因子, 抗糙皮病因子
🗣️ 情景例句
How do you find the answers?
你觉得这些答复如何？
Storms make trees take deeper roots.
风暴使树木深深扎根。
She went into my room and got a big surprise when she saw all those books on the floor.
她走进我的房间，当她看到地板上的那些书时，大吃一惊。