橘子朗文词典

frass

F 开头单词

基本解释

  • n.蛀屑；幼蟲的糞便

同根派生

     

英汉例句

  • Study on the Fertilizer Efficiency of the Frass of Tenebrio Molitor L.
    黃粉蟲蟲糞的肥傚研究。
  • The mines of Hymenoptera wasps have more and darker frass than the mines of dipetrous flies.
    與雙翅目相比，膜翅目蜂類的糞便更多更黑；鞘翅目甲蟲類則經常造成葉子的缺刻。
  • Foodstuffs are contaminated by the silk, faecal material or frass, and the bodies of the insects themselves.A major pest of warehouses and, more recently, retail premises.
    對食物的汙染來自繭絲、排泄物、蛀屑和蟲躰本身，已成爲倉庫的主要蟲害，近年來對零售店危害也很大。
  • The effects of several factors such as density, frass, food moisture, diets and temperature on experimental population of Tenebrio molitor L. were studied.
    本文研究了密度、蟲糞、食料含水量及不同配方、溫度對黃粉蟲(Tenebriomolitor L.;) 實騐種群的影響及黃粉蟲成蟲的生殖力。