- 相关例句
In the spring along the Mississippi River, Cnephia pecuarum is a serious livestock pest.
春季密西西比河边的水牛蚋孳生,对家畜为害严重.
辞典例句
Each year ten percent of the crop is lost to a pest called corn rootworm.
一种叫玉米根虫的害虫每年会让粮食减产10%。
辞典例句
Pest control, we are learning, is just one of the many ways spiders can help us.
我们逐渐弄清, 控制害虫只是蜘蛛能帮助我们的许多方法之一.
百科语句
The use of integrated pest management will expand in the twenty-first century.
在二十一世纪,害虫综合治理的应用将扩大.
辞典例句
Even innocuous substances can sometimes register a positive result in a drug test.
即使无害的物质在药物测试中有时也会呈阳性.
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