大树的特殊天敌是昆虫和树木疾病。
天敌包括捕食性天敌与寄生性天敌。
The natural enemies include predacity and parasitical enemy.
顺从和社会认可是心灵自由的天敌。
Conformity and social acceptability is the natural enemy of the free mind.
这些由当地人引进的入侵物种没有天敌。
These invasive species – brought to the island by people – have no natural predators.
而且，要是没有天敌，也没必要用鸡笼。
And if there are no predators, there's really no need for a coop.
优柔寡断是行动的天敌。
男女两性从来不是天敌，而是平等的伙伴。
你往哪儿去逃避天敌？
研究了棉田天敌群落时序动态。
河马几乎没有天敌。
各试验点均未发现大量胭脂虫天敌。
Mass natural enemies were not found in all experimental places.
你手中仍然拿着御天敌的武器。
有些稻田隐翅虫是重要的捕食性天敌。
Some species of Staphylinidae on rice field are important predaceous natural enemies of insects .
机遇的兄弟是悟性，机遇的天敌是麻木。
Opportunity's brother is savvy, and the opportunities are the natural enemies of numbness.
信息化合物对天敌选择寄主行为的影响。
The influences of semiochemicals on host selection behavior of natural enemies.
海豚和鲨鱼是一对天敌。
它们没有办法抵御天敌。
由于在新环境中没有天敌，很多入侵物种得以成功入侵。
Many invasive species are successful because they have no natural predators in their new environment.
男性与女性从来不是天敌，而是平等的伙伴。
狼人的天敌是吸血鬼。
其实，猫头鹰是一种益鸟，它是田鼠的天敌。
In fact, the owl is a beneficial bird, which is the vole's natural enemies.
习俗是爱情的天敌。
这些纹身实际上是电子传感器，它们是细菌的天敌。
These tattoos are actually electronic sensors, and they're a bacterium's worst nightmare.
这种兔子在澳大利亚没有天敌，所以它们繁殖得很快。
This rabbit had no natural enemies in Australia, so it multiplied rapidly.
因为它们没有任何捕食天敌，所以他们有很高的存活率。
Since they don't have any predators, they have a high survival rate.
不过海胆也有它们的天敌，太阳海星就是其中致命的一种。
But the urchins have enemies, too, and the sunstar is a deadly one.
它有许多天敌，尤其是长尾小蜂，被认为是有效的生物防治手段。
Natural enemies, especially species of Torymidae, are considered as efficient biological control agents.
它有许多天敌，尤其是长尾小蜂，被认为是有效的生物防治手段。
Natural enemies, especially species of Torymidae, are considered as efficient biological control agents.
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