| 词汇 | frass |
| 类别 | 英汉双解翻译词典 |
| 释义 | frass 英音 [ fræs ] 美音 [ fræs ] 释义 n. 幼虫的粪便；蛀屑 例句 1·Frass of long-horned beetle larvae plays an important role in natural enemies searching for their cerambycid hosts. 长角甲虫幼虫的部分在寻找天敌的天敌中起着重要的作用。 2·The number of emergence holes and frass holes in weeping willows on both Banks of Qinhuai river are investigated. 调查了外秦淮河两岸垂柳上光肩星天牛羽化孔、排粪孔的分布情况。 3·Frass of longhorned beetle larvae plays an important role in natural enemies searching for their cerambycid hosts. 天牛幼虫排出的虫粪所释放的挥发性物质成为天敌搜寻天牛所在微栖境的重要化学信息物质。 |
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