pyrethrins

基本解释

• 除虫菊酯

同根派生

英汉例句

• It is mainly pyrethrin (pyrethroid) with 50 percent in the insecticides.
  它们多属拟除虫菊酯类农药,占总数的50%25;
• A synthetic clear or amber - colored viscous insecticide, C19H26O3, similar to pyrethrin.
  丙烯除虫菊酯一种合成的透明或琥珀色粘性杀虫剂，C19H26O3，与除虫菊酯相似
• A synthetic clear or amber-colored viscous insecticide, C19H26O3, similar to pyrethrin.
  丙烯除虫菊酯一种合成的透明或琥珀色粘性杀虫剂，c19h26o3，与除虫菊酯相似
• A synthetic clear or amber - colored viscous insecticide,C19H26O3,similar to pyrethrin.
  为了纪念结婚三周年，马克给妻子买了一条琥珀项链。
• A method for the determination of six pyrethrins from natural pyrethrum extracts by capillary gas chromatography with FID detector was described.
  研究了毛细管气相色谱法定量分析天然除虫菊提取液中6种酯的方法,FID检测,邻苯二甲酸二丁酯作为内标物。