危害

• It is extremely injurious to plants and tends to destroy them .
  它极大地危害作物甚至损毁庄稼。
• Are they potentially harmful to the consumer of the plant ?
  它们对植物的食用者是否有潜在的危害？
• The job was damaging his health so he had to turn it in .
  那工作危害他的健康，所以他只好放弃了。
• Government considers it prudent to minimise the risk .
  政府认为把这种危害降低到最小程度是明智的。
• Fluoride injury often is characterized by tip burn of leaves .
  氟化物危害的特点是叶片顶尖灼燃现象。
• This insect attacks the raspberry crop and transmits virus disease .
  这种蚜虫危害树莓并传播病毒病。
• Mammals damage orchards on every continent by girdling roots .
  哺乳动物在各地对种子园的危害是咬断根系。
• Pinhole on shot-hole damage is never structurally significant .
  针孔和蛀洞所造成的危害对结构的影响不大。
• Black walnut is extremely sensitive to damage from late spring frosts .
  黑胡桃对春天晚霜的危害非常敏感。
• On grasses, injury is usually confined to areas between the veins .
  杂草中危害通常仅限于叶脉间的条状区域。