harmful to

• As we know , smoking is harmful to one ' s health
  众所周知，吸烟有害健康。
• To much uv - light is very harmful to our skin
  太多的紫外线对我们的皮肤是有很大的伤害。
• Accumulation of ethanol is harmful to a plant
  乙醇的积累对植物体有害。
• Polluted air and water are harmful to people ' s health
  污染的空气和水对人们的健康有害。
• The physician said smoking is harmful to our health
  内科大夫说，吸烟对我们的健康有害。
• The new technic is useful or harmful to us
  高新技术对我们既有利又有弊
• The doctor said smoking is harmful to health
  大夫说，吸烟对健康有害。
• Any foreign agent or organism that is harmful to the body
  任何对身体有害的外来物或生物。
• Cigarette smoking is harmful to your health
  抽香烟对你的身体不健康。
• Smoking and drinking too much alcohol are harmful to health
  吸烟和过度喝酒有害身体健康。