People and animals need oxygen to live.
人类和动物需要依靠氧气生存。
Is it true that animals need reinforcement and punishment to learn?
动物真的需要强化和惩罚才能进行学习吗？
All plants and animals need water.
所有的动植物都需要水。
All plants and animals need water.
所有动植物都需要水。
More animals need to be protected.
更多的动物需要得到保护。
All domestic animals need proper food.
所有家畜都需要适当的食物。
As we all know, plants and animals need water.
大家都知道，植物和动物都需要水。
To pass their genes along to the next generation, most animals need to partner.
为了将基因遗传给下一代，大多数动物都需要配偶。
动物需要许多爱。
Animals need to stay away from predators to survive.
为了生存，动物们需要远离捕食者。
Animals need cover to hide from their natural enemies and to raise their young safely.
动物需要用植物来掩护自己以躲避天敌和安全地抚育自己的孩子。
Animals need cover to hide from their natural enemies and to raise their young safely.
动物需要用植物来掩护自己以躲避天敌和安全地抚育自己的孩子。
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