Extraction of Flavones from the Pear Skin by Orthogonal Experiments
一层层的梨皮逐渐削去，裸出水汪汪的白肉，香气四溢，然而，右手拿住的刀子却沾满了血。
Layer by layer , the pear skin falls away to reveal white , juicy flesh . A sweet smell fills the air , but the knife in my right hand is covered in blood .
梨皮