The roof timbers were affected by rot and insect attack.
屋顶的木料已经腐朽并遭虫害。
The results showed that the shrink of fruit is closely related with fruit development, tree age, branch age, tree vigor, stand site, weather factor, insect attack, management, and variety.
结果表明：枣缩果病的发生与枣果发育期、树龄、枝龄、树势、气象因子、立地条件、虫害、栽培条件及栽培品种有密切关系。
This has been an ongoing project for 20 years, but without the toxin, cotton is much more susceptible to insect attack.
这个项目已经持续了20年，但是没有这种毒素，棉花会变得更容易被害虫侵蚀。
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