frass是什么意思   frass怎么读

frass单词基本解析：

frass变化用词：

frass英英释义：

frass中文词源：

frass用法和例句：

frass

The mines of Hymenoptera wasps have more and darker frass than the mines of dipetrous flies.

与双翅目相比，膜翅目蜂类的粪便更多更黑；鞘翅目甲虫类则经常造成叶子的缺刻。

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.

对食物的污染来自茧丝、排泄物、蛀屑和虫体本身，已成为仓库的主要虫害，近年来对零售店危害也很大。

Study on the Fertilizer Efficiency of the Frass of Tenebrio Molitor L.

黄粉虫虫粪的肥效研究。