white fly

同根派生

英汉例句

• The test result shows that greenhouse white fly can be controlled by continuously applying Encarsia formosa Gahan twice when the density of white fly in greenhouse is two plants have one pest.
  试验就丽蚜小蜂的最佳释放时机、释放密度、黄板悬挂高度、黄板防治效果等四方面进行了研究。
• grape white fly (Trialeurodes vittata)
  葡萄粉虱
• A patch of beautifully eroded clay; and yucca blossoms, so pure, so waxy, but lousy with creeping white flies.
  一块被风蚀过的非常美丽的泥土；麟兰花芯那么纯洁，那么柔顺，但招来白苍蝇悠悠地爬行，让人恶心。
• Living habit of mulberry white fly and its control measures
  桑粉虱的生活习性及防治方法
• Occurrence Rule and Integrated Controlling of White Fly in Hothouse
  温室白粉虱的发生规律及无公害综合防治对策