这种蜡质属于乙醇有机溶剂的萃取物.The waxes are classed as alcohol or organic solvent extracted materials.在许多细胞中,含量最高的磷脂是磷脂酰乙醇胺或脑磷脂.The most abundant phospholipid in many cells is phosphatidyl ethanolamine or cephalin.这些反应能把四分之三的乙醇酸的碳保存在...
After the meal, I could feel lethargy overtaking me.饭后我昏昏欲睡.She was suddenly overcome by lethargy.她突然委靡不振.Get your body moving to boost energy, stay supple and shake off winter lethargy.锻炼身体以增加活力，保持柔韧性，甩掉冬日的慵懒。...