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a natural enemy

双语例句

  1. Slit is an excellent channel for noise transmission, while a natural enemy of noise control.
    缝隙是噪音传播的良好通道，是噪音治理的天敌。
  2. This yellow flower is a natural insects' enemy.
    这种黄色的花是昆虫的天敌。
  3. Some insects have a natural camouflage which hide them from the attack of their enemy.
    有些昆虫有一种天然的保护色可以防止敌人的袭击。