Lemon and lime juice were both temporarily out of stock.柠檬汁和酸橙汁暂时都缺货。Red tights are out of stock.红色紧身衣脱销了.The blue skirts are out of stock.这种蓝衬衫已脱销....
人体主要是由骨骼、肌肉和脂肪构成。The body is made up primarily of bone, muscle, and fat.游泳有助于改善骨质疏松和骨骼脆弱。Swimming is helpful for bones that are porous and weak.人的骨骼由206块骨头组成。The human skeleton consists of 206 bones....