1. "Jukus are harmful to Japanese education and to children," said a professor at the University of Tokyo.
    东京大学一名教授说，"课外学校对日本的教育和孩子都有害。

2. All these harmful results come from the too much use of resources and the human struggle to control the environment.
    所有这些恶果都源于对资源的过度使用和人类对环境的强行控制。

3. Smoking is harmful to health.
    吸烟对健康有害。

4. Most experts agree that it would be psychologically harmful if a child sensed he had been brought into the world simply as an organ donor.
    多数专家都认为，如果一个孩子感到自己来到这个世界只是作为一个器官捐赠者，那他的心理可能受到伤害。

5. Children should be insulated from harmful experiences.
    孩子们应该与有害经验隔离。

6. Instead, the effects of providing too much can be harmful.
    相反，给的东西太多可能是有害的。

7. I think in far too many families not only do children come to take their parents' generosity for granted, but also the effects of this can actually be somewhat harmful to children.
    我不仅认为孩子们把家长的慷慨大方视作理所当然的家庭实在太多了，而且认为这种做法的后果实际上对孩子们来说也是有害的。

8. If these claims are true, could the effects be harmful?
    如果真是这样，其效果会有害吗？

9. Freezing winter is harmful to orange trees.
    冰冻天气对桔子树是有害的。

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