aphid [ˈefɪd, ˈæfɪd]

例句:

• The aphid is now laying waste to the wheat and barley fields.
  蚜虫正在毁掉一片片的小麦和大麦田地。
  
• Use natural predators and parasites to control aphid populations.
  来自BBC
• Since aphid population may become resistant to organophosphorus compounds, avoid excessive spraying.
  因为蚜虫类对有机磷化物能产生抗性, 所以要避免过多的喷洒.
  
• Aphid count on plants in fields do not correlate with virus spread in the same fields.
  田间植株蚜数与同块田内病毒的扩散程度间无相关性.
  
• Organic Check tree shoots and bark regularly for signs of woolly aphid.
  来自BBC
• Spray infested areas with a firm jet of water to help reduce aphid numbers.
  来自BBC