Ppf
[医][=pellagra preventive factor]抗糙皮病因子，维生素pp
🗣️ 情景例句
I'll bicycle down to the village and get them.
我骑脚踏车去镇上拿。
Get out of the car! You're drunk.
下车，你这家伙！喝醉了吧！
After her departure, Aunt Harriet discovered that there were piles of empty wine bottles of all shapes and sizes neatly stacked in what had once been Bessie's wardrobe.
贝西走后，哈丽特姑妈发现在贝西以前用过的衣柜里整整齐齐地放着一堆堆形状各导、大小不一的酒瓶子。