Carbon, hydrogen and oxygen combine chemically to form carbohydrates and fats.碳、氢、氧化合形成碳水化合物和脂肪。Many smokers who are chemically addicted to nicotine cannot cut down easily.许多有尼古丁瘾的抽烟人不容易把烟戒掉.Chemically treated hair can b...
Carbon, hydrogen and oxygen combine chemically to form carbohydrates and fats.碳、氢、氧化合形成碳水化合物和脂肪。The medicine chemically affects your physiology.这种药会通过化学作用影响生理机能。Many smokers who are chemically addicted to nicotine cannot...