The country has pretty much defeated the boll weevil, and the Department of Agriculture individually tests every bale on obscure measures.
这个国家几乎已经打败了棉铃象鼻虫，农业部对每包棉铃都用复杂难懂的方法进行了单独的测试。
In the early years of the century, the boll weevil began devastating the cotton farms in the south.
在上世纪初期，棉铃象甲开始破坏南部的棉花农场。
Farm demonstration work in the south helped to fight the cotton boll weevil .
在南部的农业示范作帮助了对棉花象鼻虫的抗争。
But in the early years of the century, the boll weevil began devastating the cotton farms in the south.
然而在上世纪初期，棉铃象甲开始侵嗜美国南部的棉花农场。
The country has pretty much defeated the boll weevil, and the Department of Agriculture individually tests every bale on obscure measures such as the tensile strength of the fibres.
棉铃象虫在美国难以为害，农业部会拿纤维的抗拉强度等玄深标准逐个检测每个棉包。
Farm demonstration work in the South helped to fight the cotton boll weevil.
南部农场示范工作大大帮助了对棉花象鼻虫的防治。
Gossypol, which is produced by gland cells in the leaves of Cotton, is an attractant to the boll weevil.
棉叶腺胞分泌的棉酚对棉铃象鼻虫是一种引诱剂。
But in the early years of the century, the 3 boll weevil began 4 devastating the cotton farms in the south.
然而在上世纪初期，棉铃象甲开始侵嗜美国南部的棉花农场。
But in the early years of the century, the 3 boll weevil began 4 devastating the cotton farms in the south.
然而在上世纪初期，棉铃象甲开始侵嗜美国南部的棉花农场。
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